{"id":43520,"date":"2026-03-17T19:26:56","date_gmt":"2026-03-17T13:56:56","guid":{"rendered":"https:\/\/www.tjc-group.com\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/"},"modified":"2026-05-01T12:30:58","modified_gmt":"2026-05-01T07:00:58","slug":"mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap","status":"publish","type":"blog","link":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/","title":{"rendered":"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Person\",\n  \"@id\": \"https:\/\/www.tjc-group.com\/#author-priyasha\",\n  \"name\": \"Priyasha Purkayastha\",\n  \"jobTitle\": \"Global Content Manager\",\n  \"worksFor\": {\n    \"@type\": \"Organization\",\n    \"name\": \"TJC Group\",\n    \"url\": \"https:\/\/www.tjc-group.com\/\"\n  },\n  \"gender\": \"Female\",\n  \"knowsAbout\": [\n    \"SAP licensing\",\n    \"Legacy system decommissioning\",\n    \"S\/4HANA migration\",\n    \"Data archiving\",\n    \"Enterprise data management\"\n  ],\n  \"knowsLanguage\": [\n    \"English\"\n  ],\n  \"url\": \"https:\/\/www.linkedin.com\/in\/priyasha-purkayastha-07730a63\/\",\n  \"sameAs\": [\n    \"https:\/\/www.linkedin.com\/in\/priyasha-purkayastha-07730a63\/\",\n    \"https:\/\/www.tjc-group.com\/blogs\/legacy-system-decommissioning-unlock-hidden-value-in-your-sap-licences\/\"\n  ],\n  \"mainEntityOfPage\": {\n    \"@type\": \"WebPage\",\n    \"@id\": \"https:\/\/www.tjc-group.com\/blogs\/legacy-system-decommissioning-unlock-hidden-value-in-your-sap-licences\/\"\n  }\n}\n<\/script>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-42051496660e4b21c6649324db2150f2 wp-block-paragraph\" style=\"color:#00be92;font-style:normal;font-weight:600\"><em>Auteur : <a href=\"https:\/\/www.linkedin.com\/in\/priyasha-purkayastha-07730a63\/\" target=\"_blank\" rel=\"noreferrer noopener\">Priyasha Purkayastha, Global Content Manager, TJC Group<\/a> | Co-auteur : <a href=\"https:\/\/www.linkedin.com\/in\/jochenhager\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00c9quipe TJC Americas, TJC Group<\/a><\/em><\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-aa11a9214d5425a99eb45ce55e502c08 wp-block-paragraph\" style=\"color:#0d589b;font-style:normal;font-weight:600\"><em>De nombreuses organisations sous-estiment la complexit\u00e9 et les risques de co\u00fbts cach\u00e9s dans leurs licences SAP, en particulier lorsqu\u2019elles se pr\u00e9parent \u00e0 des projets de d\u00e9classement de syst\u00e8mes legacy, \u00e0 des transformations de syst\u00e8mes ou \u00e0 des migrations RISE with SAP. Comprendre comment identifier la sur-licence, \u00e9viter les d\u00e9penses inutiles et b\u00e2tir une strat\u00e9gie de licences optimis\u00e9e est essentiel pour une transition vers S\/4HANA rentable. <\/em><\/p>\n\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>Table des mati\u00e8res<\/h2><ul><li><a href=\"#h-introduction\" data-level=\"2\">Introduction<\/a><\/li><li><a href=\"#h-why-sap-licence-management-matters-before-decommissioning\" data-level=\"2\">Pourquoi la gestion des licences SAP est importante avant le d\u00e9classement<\/a><\/li><li><a href=\"#h-the-hidden-complexity-of-sap-licensing\" data-level=\"2\">La complexit\u00e9 cach\u00e9e des licences SAP<\/a><\/li><li><a href=\"#h-common-pitfalls-in-sap-licence-management\" data-level=\"2\">Pi\u00e8ges courants dans la gestion des licences SAP<\/a><ul><li><a href=\"#h-over-licensing-and-shelfware\" data-level=\"3\">Sur-licence et \u00ab shelfware \u00bb<\/a><\/li><li><a href=\"#h-incorrect-user-classification\" data-level=\"3\">Classification incorrecte des utilisateurs<\/a><\/li><li><a href=\"#h-failing-to-account-for-indirect-access\" data-level=\"3\">Ne pas tenir compte de l\u2019acc\u00e8s indirect<\/a><\/li><\/ul><\/li><li><a href=\"#h-how-licence-optimisation-connects-with-decommissioning\" data-level=\"2\">Comment l\u2019optimisation des licences s\u2019articule avec le d\u00e9classement<\/a><\/li><li><a href=\"#h-how-elsa-by-tjc-group-supports-the-transition\" data-level=\"2\">Comment ELSA by TJC Group accompagne la transition ?<\/a><\/li><li><a href=\"#h-key-takeaways\" data-level=\"2\">Principaux points \u00e0 retenir<\/a><\/li><\/ul><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-e2fc5ee95eaffc64bf0205be8e563ac8\" id=\"h-introduction\" style=\"color:#56abda;font-style:normal;font-weight:600\">Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsque les organisations entament leur transition vers <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/guide-pour-liberer-le-potentiel-de-lia-lors-de-votre-migration-vers-s-4hana\/\" target=\"_blank\" rel=\"noreferrer noopener\">SAP S\/4HANA<\/a>, l\u2019attention se porte g\u00e9n\u00e9ralement sur les trajectoires de migration, la qualit\u00e9 des donn\u00e9es et l\u2019architecture du syst\u00e8me. Cependant, un domaine critique, souvent n\u00e9glig\u00e9 mais pouvant avoir un impact financier important, est la gestion des licences SAP. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En r\u00e9alit\u00e9, de nombreuses organisations se retrouvent avec un enchev\u00eatrement de licences SAP inutilis\u00e9es, mal class\u00e9es ou redondantes. Combin\u00e9es aux complexit\u00e9s li\u00e9es au d\u00e9classement des syst\u00e8mes legacy et \u00e0 la transition vers RISE with SAP, ces inefficacit\u00e9s de licences peuvent se traduire par des co\u00fbts inutiles consid\u00e9rables et des risques de conformit\u00e9. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans cet article, d\u00e9couvrez comment les organisations peuvent r\u00e9v\u00e9ler la valeur cach\u00e9e de leurs licences SAP avant le <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/au-dela-de-sap-etendre-les-capacites-delsa-au-decommissionnement-de-tout-systeme-legacy\/\" target=\"_blank\" rel=\"noreferrer noopener\">d\u00e9classement, en proposant des conseils pratiques<\/a> aux responsables informatiques, aux responsables financiers et aux \u00e9quipes projet qui se pr\u00e9parent \u00e0 une transformation S\/4HANA.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-f706163b4491b83435006214d31c492c\" id=\"h-pourquoi-la-gestion-des-licences-sap-est-importante-avant-le-declassement\" style=\"color:#56abda;font-style:normal;font-weight:600\">Pourquoi la gestion des licences SAP est importante avant le d\u00e9classement<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Avant le d\u00e9classement d\u2019un syst\u00e8me legacy, les organisations doivent disposer d\u2019une vision claire et pr\u00e9cise de leur paysage de licences actuel. Sans cette visibilit\u00e9, il existe un risque r\u00e9el de reporter des co\u00fbts de licences inutiles dans le nouvel environnement, de ne pas respecter les exigences de conformit\u00e9 pendant ou apr\u00e8s la transition, et plus encore. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 ce stade, une <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/pourquoi-la-maintenance-logicielle-est-non-negociable-y-compris-sur-les-systemes-legacy\/\" target=\"_blank\" rel=\"noreferrer noopener\">gestion efficace des licences<\/a> r\u00e9pond \u00e0 plusieurs objectifs. Elle aide \u00e0 identifier des opportunit\u00e9s d\u2019\u00e9conomies pouvant \u00eatre r\u00e9affect\u00e9es aux initiatives de transformation. Elle garantit la conformit\u00e9 aux conditions de licence de SAP, r\u00e9duisant le risque d\u2019audits co\u00fbteux, et fournit une base solide pour n\u00e9gocier de nouveaux accords de licence dans le cadre de RISE with SAP ou de mod\u00e8les d\u2019abonnement S\/4HANA.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En effet, les recherches montrent de mani\u00e8re constante que les organisations qui traitent la question des licences de fa\u00e7on proactive obtiennent des r\u00e9sultats financiers nettement meilleurs dans leurs projets de transformation SAP. \u00c9tant donn\u00e9 que <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/tout-savoir-sur-le-decommissionnement-des-systemes-legacy-dans-le-cadre-de-la-migration-4hana\/\" target=\"_blank\" rel=\"noreferrer noopener\">76 % des projets de transformation ERP n\u2019atteignent pas les r\u00e9sultats m\u00e9tier attendus<\/a>, chaque avantage compte. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/guide-pour-liberer-le-potentiel-de-lia-lors-de-votre-migration-vers-s-4hana\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1280\" src=\"https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/Header_blog_Unlocking-AI-potention-in-S4HANA_EN-2560x1280.webp\" alt=\"Guide pour lib\u00e9rer le potentiel de l\u2019IA lors de votre migration vers S\/4HANA\" class=\"wp-image-43109\" srcset=\"https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/Header_blog_Unlocking-AI-potention-in-S4HANA_EN-2560x1280.webp 2560w, https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/Header_blog_Unlocking-AI-potention-in-S4HANA_EN-300x150.webp 300w, https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/Header_blog_Unlocking-AI-potention-in-S4HANA_EN-150x75.webp 150w, https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/Header_blog_Unlocking-AI-potention-in-S4HANA_EN-768x384.webp 768w, https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/Header_blog_Unlocking-AI-potention-in-S4HANA_EN-1536x768.webp 1536w, https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/Header_blog_Unlocking-AI-potention-in-S4HANA_EN-2048x1024.webp 2048w, https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/Header_blog_Unlocking-AI-potention-in-S4HANA_EN-1200x600.webp 1200w, https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/Header_blog_Unlocking-AI-potention-in-S4HANA_EN-1980x990.webp 1980w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/a><figcaption class=\"wp-element-caption\"><em><a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/guide-pour-liberer-le-potentiel-de-lia-lors-de-votre-migration-vers-s-4hana\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.tjc-group.com\/blogs\/a-guide-to-unlocking-ai-potential-in-your-s-4hana-migration\/<\/a><\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-282b20b071235a49a1d99decceae976d\" id=\"h-la-complexite-cachee-des-licences-sap\" style=\"color:#56abda;font-style:normal;font-weight:600\">La complexit\u00e9 cach\u00e9e des licences SAP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les licences SAP sont particuli\u00e8rement complexes. Au fil des ann\u00e9es, les organisations accumulent un patchwork de types de licences, notamment des licences utilisateur, des licences bas\u00e9es sur des moteurs (engine-based) et divers mod\u00e8les d\u2019abonnement, souvent r\u00e9partis sur plusieurs syst\u00e8mes et contrats. Cette complexit\u00e9 est aggrav\u00e9e par les fusions, acquisitions et la croissance organique, qui peuvent laisser les inventaires de licences dans un \u00e9tat de d\u00e9sordre.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tjc-group.com\/fr\/ressource\/resume-du-webinaire-liberer-la-valeur-cachee-de-vos-licences-sap-avant-leur-desactivation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lors de notre webinaire avec VOQUZ Labs,<\/a> ils ont indiqu\u00e9 qu\u2019environ 60 % des organisations sont en situation de sur-licence, 30 % en sous-licence, et seulement 10 % ma\u00eetrisent pleinement leurs licences. Cela signifie que la grande majorit\u00e9 des organisations paient soit trop cher, soit s\u2019exposent \u00e0 un risque de conformit\u00e9, souvent les deux. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le d\u00e9fi s\u2019intensifie encore lorsque les organisations exploitent plusieurs syst\u00e8mes SAP simultan\u00e9ment. <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/transformation-numerique-et-decommissionnement-sap-erp-perspectives-interessantes-dexperts\/\" target=\"_blank\" rel=\"noreferrer noopener\">Les syst\u00e8mes ECC legacy<\/a>, les environnements de d\u00e9veloppement, les paysages de test et les syst\u00e8mes de production ont chacun leurs propres exigences de licence. Lors de la pr\u00e9paration au d\u00e9classement des syst\u00e8mes legacy, il est essentiel de comprendre quelles licences sont li\u00e9es \u00e0 quels syst\u00e8mes, et lesquelles peuvent \u00eatre lib\u00e9r\u00e9es, reclass\u00e9es ou \u00e9chang\u00e9es. <\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-bd7c17c84382e4a491da97207ce36361\" id=\"h-pieges-courants-dans-la-gestion-des-licences-sap\" style=\"color:#56abda;font-style:normal;font-weight:600\">Pi\u00e8ges courants dans la gestion des licences SAP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Plusieurs pi\u00e8ges r\u00e9currents guettent les organisations en mati\u00e8re de licences SAP, en particulier dans le contexte du d\u00e9classement et de la migration vers S\/4HANA :<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color wp-elements-fc4613732d0acf5acac14e23af9985d1\" id=\"h-sur-licence-et-shelfware\" style=\"color:#0d589b;font-style:normal;font-weight:600\">Sur-licence et \u00ab shelfware \u00bb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019un des probl\u00e8mes les plus fr\u00e9quents est la sur-licence, c\u2019est-\u00e0-dire le fait de payer pour plus de licences que l\u2019organisation n\u2019en a r\u00e9ellement besoin. Cela se produit souvent lorsque le nombre d\u2019utilisateurs est estim\u00e9 plut\u00f4t que mesur\u00e9, ou <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/decommissionnement-sap-reussi-acces-durable-aux-donnees-legacy-et-archivees\/\" target=\"_blank\" rel=\"noreferrer noopener\">lorsque des licences sont achet\u00e9es <\/a>pour des projets qui ne se concr\u00e9tisent jamais pleinement. Le r\u00e9sultat est du \u00ab shelfware \u00bb : des licences inutilis\u00e9es qui continuent pourtant de g\u00e9n\u00e9rer des co\u00fbts.  <\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color wp-elements-5eb5d5ccf2d634a4fe67d67949a27c59\" id=\"h-classification-incorrecte-des-utilisateurs\" style=\"color:#0d589b;font-style:normal;font-weight:600\">Classification incorrecte des utilisateurs<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les licences SAP sont cat\u00e9goris\u00e9es par type d\u2019utilisateur, et chaque type a un co\u00fbt diff\u00e9rent. Dans S\/4HANA, par exemple, les types de licences incluent Professional Use, Productivity Use et Functional Use. Lorsque les utilisateurs sont mal class\u00e9s, par exemple lorsqu\u2019on leur attribue une licence Professional Use alors que leur usage r\u00e9el ne justifie qu\u2019une licence Functional Use, l\u2019organisation paie nettement trop. Des \u00e9tudes sugg\u00e8rent que l\u2019optimisation de la classification des utilisateurs \u00e0 elle seule peut r\u00e9duire les co\u00fbts de licences de plus de 30 %.   <\/p>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-431d3298ba6a320a4bf0f0b72efd2128 wp-block-paragraph\" style=\"color:#9b3c90;font-style:normal;font-weight:600\"><em>Regardez notre webinaire avec VOQUZ Labs pour des informations encore plus approfondies :<\/em><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"SAP Licenses before Decommissioning &amp; RISE | Webinar 5 | The SAP ERP Decommissioning Series\" width=\"580\" height=\"326\" src=\"https:\/\/www.youtube.com\/embed\/HZlNLFs-PPg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color wp-elements-6f5b73190aeaa8d7ba40514143979e5f\" id=\"h-ne-pas-tenir-compte-de-l-acces-indirect\" style=\"color:#0d589b;font-style:normal;font-weight:600\">Ne pas tenir compte de l\u2019acc\u00e8s indirect<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019acc\u00e8s indirect ou num\u00e9rique, lorsque des syst\u00e8mes ou applications tiers acc\u00e8dent aux donn\u00e9es SAP, constitue une source majeure de risque de conformit\u00e9. De nombreuses organisations ignorent l\u2019ampleur r\u00e9elle de leur acc\u00e8s indirect, ce qui peut d\u00e9clencher des frais de licence impr\u00e9vus lors des audits. Cela est particuli\u00e8rement pertinent lors du d\u00e9classement de syst\u00e8mes legacy qui servaient auparavant <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/decommissionnement-sap-reussi-acces-durable-aux-donnees-legacy-et-archivees\/\" target=\"_blank\" rel=\"noreferrer noopener\">d\u2019interm\u00e9diaires pour l\u2019acc\u00e8s aux donn\u00e9es.<\/a>  <\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-b4a2cc691fad2241d196d5153447661f\" id=\"h-comment-l-optimisation-des-licences-s-articule-avec-le-declassement\" style=\"color:#56abda;font-style:normal;font-weight:600\">Comment l\u2019optimisation des licences s\u2019articule avec le d\u00e9classement<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019optimisation des licences et le d\u00e9classement des syst\u00e8mes legacy sont les deux faces d\u2019une m\u00eame pi\u00e8ce. Lorsqu\u2019une organisation met hors service un syst\u00e8me obsol\u00e8te, les licences associ\u00e9es \u00e0 ce syst\u00e8me devraient, en th\u00e9orie, \u00eatre lib\u00e9r\u00e9es. Cependant, sans suivi et gestion appropri\u00e9s, ces \u00e9conomies de licences peuvent facilement passer inaper\u00e7ues.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une approche structur\u00e9e comporte plusieurs \u00e9tapes. Premi\u00e8rement, les organisations doivent r\u00e9aliser un audit complet des licences afin de comprendre pr\u00e9cis\u00e9ment ce qu\u2019elles poss\u00e8dent, ce qui est utilis\u00e9 et ce qui est exc\u00e9dentaire. Deuxi\u00e8mement, elles doivent cartographier les licences par syst\u00e8mes et utilisateurs, en identifiant quelles licences seront <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/7-strategies-cles-a-considerer-pour-le-decommissionnement-des-systemes-legacy\/\" target=\"_blank\" rel=\"noreferrer noopener\">lib\u00e9r\u00e9es gr\u00e2ce au d\u00e9classement. <\/a>Troisi\u00e8mement, ces licences lib\u00e9r\u00e9es doivent \u00eatre soit r\u00e9affect\u00e9es au nouvel environnement S\/4HANA, soit \u00e9chang\u00e9es dans le cadre d\u2019un accord RISE, soit officiellement retir\u00e9es afin d\u2019\u00e9liminer les co\u00fbts r\u00e9currents.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019impact financier peut \u00eatre consid\u00e9rable. Les organisations qui alignent leur strat\u00e9gie de licences sur leur feuille de route de d\u00e9classement r\u00e9alisent g\u00e9n\u00e9ralement des \u00e9conomies importantes, pouvant \u00eatre r\u00e9investies dans le programme de transformation lui-m\u00eame. <\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-fcbde7386e7836b5439f4ba2074f3002\" id=\"h-comment-elsa-by-tjc-group-accompagne-la-transition\" style=\"color:#56abda;font-style:normal;font-weight:600\">Comment ELSA by TJC Group accompagne la transition ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si l\u2019optimisation des licences SAP traite l\u2019aspect commercial de l\u2019\u00e9quation, le d\u00e9fi pratique consistant \u00e0 conserver l\u2019acc\u00e8s aux donn\u00e9es legacy apr\u00e8s le d\u00e9classement est tout aussi important. C\u2019est l\u00e0 qu\u2019intervient <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/au-dela-de-sap-etendre-les-capacites-delsa-au-decommissionnement-de-tout-systeme-legacy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Enterprise Legacy System Application (ELSA) <\/a>de TJC Group. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ELSA est une application certifi\u00e9e SAP, construite sur SAP Business Technology Platform (BTP), qui permet aux organisations de d\u00e9commissionner des syst\u00e8mes legacy SAP et non SAP tout en conservant un acc\u00e8s complet aux donn\u00e9es historiques, aux documents et aux rapports. Les utilisateurs autoris\u00e9s peuvent acc\u00e9der de nouveau aux donn\u00e9es legacy avant et apr\u00e8s la migration vers S\/4HANA, garantissant la continuit\u00e9 pour les besoins fiscaux, d\u2019audit et de reporting m\u00e9tier. <\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/au-dela-de-sap-etendre-les-capacites-delsa-au-decommissionnement-de-tout-systeme-legacy\/\" style=\"border-top-left-radius:60px;border-top-right-radius:60px;border-bottom-left-radius:60px;border-bottom-right-radius:60px;background-color:#9b3c90\" target=\"_blank\" rel=\"noreferrer noopener\">Au-del\u00e0 de SAP : \u00e9tendre les capacit\u00e9s d\u2019ELSA au d\u00e9classement de tout syst\u00e8me legacy<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">De mani\u00e8re cruciale, ELSA garantit que les donn\u00e9es d\u00e9commissionn\u00e9es sont reconnues comme archive fiscale, r\u00e9pondant aux exigences de conformit\u00e9 selon les juridictions. C\u2019est essentiel, car les auditeurs peuvent demander l\u2019acc\u00e8s aux donn\u00e9es legacy d\u2019origine, et le simple fait de migrer les donn\u00e9es vers un nouveau syst\u00e8me ne suffit pas \u00e0 prouver leur int\u00e9grit\u00e9 et l\u2019absence de modification. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En combinant l\u2019optimisation des licences avec le d\u00e9classement des syst\u00e8mes legacy propuls\u00e9 par ELSA, les organisations peuvent r\u00e9ussir une <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/comment-choisir-la-bonne-voie-de-migration-vers-s-4hana-une-approche-fondee-sur-les-donnees\/\" target=\"_blank\" rel=\"noreferrer noopener\">transition vers S\/4HANA<\/a> propre et rentable. De plus, cela aide \u00e0 \u00e9liminer les co\u00fbts de licences inutiles, \u00e0 r\u00e9duire les frais d\u2019infrastructure et \u00e0 maintenir une conformit\u00e9 totale. <\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-7925a1d484ba41a7ae6a75729505c2da\" id=\"h-principaux-points-a-retenir\" style=\"color:#56abda;font-style:normal;font-weight:600\">Principaux points \u00e0 retenir<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Auditez vos licences t\u00f4t<\/strong> : R\u00e9alisez un audit approfondi des licences SAP bien avant le d\u00e9classement ou <a href=\"https:\/\/www.tjc-group.com\/fr\/ressource\/on-demand-webinar-rise-with-sap-doesnt-cover-your-whole-estate-how-will-you-cover-and-support-this-gap\/\" target=\"_blank\" rel=\"noreferrer noopener\">la migration vers RISE with SAP<\/a>. Comprendre votre inventaire actuel de licences est la base de l\u2019optimisation des co\u00fbts. <\/li>\n\n\n\n<li><strong>Traitez la sur-licence de mani\u00e8re proactive<\/strong> : La majorit\u00e9 des organisations \u00e9tant en situation de sur-licence, des \u00e9conomies importantes peuvent \u00eatre d\u00e9gag\u00e9es gr\u00e2ce \u00e0 une classification correcte des utilisateurs et \u00e0 une rationalisation des licences.<\/li>\n\n\n\n<li><strong>Tirez parti d\u2019outils sp\u00e9cialis\u00e9s<\/strong> : Investissez dans <a href=\"https:\/\/www.tjc-group.com\/fr\/ressource\/mise-hors-service-de-sap-erp-perspectives-dexperts-pour-votre-parcours-s-4hana\/\" target=\"_blank\" rel=\"noreferrer noopener\">des solutions capables d\u2019automatiser <\/a>la gestion des licences, de r\u00e9duire l\u2019effort manuel jusqu\u2019\u00e0 80 % et d\u2019assurer une conformit\u00e9 continue.<\/li>\n\n\n\n<li><strong>Combinez l\u2019optimisation des licences et le d\u00e9classement<\/strong> : Utilisez une solution comme <a href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/le-demantelement-des-systemes-sap-herites-un-apercu-de-ses-avantages-de-ses-outils-et-plus-encore\/\" target=\"_blank\" rel=\"noreferrer noopener\">ELSA by TJC Group<\/a> pour d\u00e9commissionner les syst\u00e8mes legacy tout en pr\u00e9servant l\u2019acc\u00e8s aux donn\u00e9es.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.tjc-group.com\/fr\/contact\/?hsCtaTracking=d6a2aa73-dd88-491b-993f-d0748c46bb5d%7C0df02c64-9bab-483b-ae66-1a70b449498d\" target=\"_blank\" rel=\"noreferrer noopener\">Contactez-nous d\u00e8s aujourd\u2019hui<\/a> pour plus d\u2019informations !<\/p>\n\n\n\n{\n  &#8220;@context&#8221;: &#8220;https:\/\/schema.org&#8221;,\n  &#8220;@type&#8221;: &#8220;FAQPage&#8221;,\n  &#8220;mainEntity&#8221;: [{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;What is a global e-invoicing strategy?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;A global e-invoicing strategy is a unified approach to managing electronic invoicing compliance across multiple countries and jurisdictions from a single, integrated framework. Rather than implementing separate solutions for each country, it centralises e-invoicing processes within the organisation\u2019s core ERP system, enabling scalability and consistency.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;Why is e-invoicing becoming mandatory worldwide?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;Governments are mandating e-invoicing to close VAT gaps, reduce tax fraud, and improve the efficiency of tax administration. Real-time access to structured invoice data enables tax authorities to verify transactions as they occur, rather than relying on periodic audits. The EU alone aims to recapture up to \u20ac18 billion annually through its ViDA initiative.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;How many countries currently have e-invoicing mandates?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;Over 90 countries worldwide have e-invoicing mandates in place or are actively preparing to implement them. This number is expected to grow significantly by 2030, driven by initiatives such as the EU\u2019s ViDA directive and the global shift towards Continuous Transaction Controls.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;What are Continuous Transaction Controls (CTCs)?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;CTCs are regulatory models that require businesses to submit invoice data to tax authorities in real time or near real time, rather than after the fact. They can be centralised \u2014 where invoices pass through a government platform before reaching the buyer \u2014 or decentralised, where invoices go directly to the buyer with simultaneous reporting to authorities.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;What formats are commonly used for e-invoicing?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;The most widely used e-invoicing formats include UBL (Universal Business Language), CII (Cross Industry Invoice), PEPPOL BIS 3.0, Factur-X, and XRechnung. Each country may mandate a specific format or accept several. A robust global e-invoicing strategy must be able to generate and process multiple formats automatically.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;How does e-invoicing integrate with ERP systems?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;E-invoicing integrates with ERP systems through APIs and connectors that enable the automatic generation, validation, and transmission of electronic invoices. Natively integrated solutions \u2014 such as SAP DRC for SAP environments \u2014 embed compliance logic directly within business processes, eliminating the need for manual data extraction or external middleware.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;What are the biggest challenges in implementing a global e-invoicing strategy?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;The primary challenges include managing diverse regulatory requirements across jurisdictions, integrating multiple ERP instances or legacy systems, handling varied data formats and submission protocols, and keeping pace with frequently changing regulations. Cross-departmental collaboration between finance, tax, IT, and legal teams is also essential for success.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;What happens if a business fails to comply with e-invoicing mandates?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;Non-compliance can result in significant financial penalties, blocked VAT deductions, rejected invoices, and even legal consequences. Beyond the direct financial impact, non-compliance can disrupt business operations, damage supplier and customer relationships, and harm the organisation\u2019s reputation.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;How long does it take to implement a global e-invoicing solution?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;Implementation timelines vary depending on the complexity of the organisation\u2019s ERP landscape, the number of countries involved, and the chosen solution. A phased approach \u2014 starting with the highest-priority countries and expanding iteratively \u2014 is generally recommended. Organisations should ideally begin planning 12 to 18 months before the first applicable mandate deadline.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;Can small and medium-sized enterprises benefit from a global e-invoicing strategy?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;Absolutely. While the scale may differ, SMEs operating across borders face the same compliance requirements as larger organisations. Cloud-based e-invoicing solutions and scalable platforms like SAP DRC offer affordable options that grow with the business, helping SMEs avoid the cost and complexity of managing multiple country-specific tools.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;What are the risks of not addressing SAP licensing before migration?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;Failing to address licensing before migration can result in paying for both legacy perpetual licences and new subscription fees simultaneously, non-compliance penalties during SAP audits, and missed opportunities to trade in or reallocate surplus licences. These risks can add millions to the total cost of your transformation program.&#8221;\n    }\n  },{\n    &#8220;@type&#8221;: &#8220;Question&#8221;,\n    &#8220;name&#8221;: &#8220;How quickly can licence optimisation deliver results?&#8221;,\n    &#8220;acceptedAnswer&#8221;: {\n      &#8220;@type&#8221;: &#8220;Answer&#8221;,\n      &#8220;text&#8221;: &#8220;Licence optimisation can deliver results relatively quickly. A quick licence assessment can identify cost-saving opportunities and compliance risks within weeks. Implementing automated tools can reduce manual licence management efforts by up to 80% and begin delivering savings almost immediately through proper user reclassification and deactivation of unused accounts.&#8221;\n    }\n  }]\n}\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"featured_media":43519,"parent":0,"menu_order":0,"template":"","meta":{"content-type":"","footnotes":""},"blog_tag":[196,210,176],"class_list":["post-43520","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_tag-decommissionnement-des-systemes-legacy","blog_tag-gestion-des-donnees-migration-s-4hana","blog_tag-gestion-des-donnees-sap"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP -<\/title>\n<meta name=\"description\" content=\"Vous planifiez le d\u00e9classement d\u2019un syst\u00e8me legacy ? D\u00e9couvrez la valeur cach\u00e9e de vos licences SAP avant d\u2019aller plus loin. Poursuivez votre lecture pour en savoir plus !\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP\" \/>\n<meta property=\"og:description\" content=\"Vous planifiez le d\u00e9classement d\u2019un syst\u00e8me legacy ? D\u00e9couvrez la valeur cach\u00e9e de vos licences SAP avant d\u2019aller plus loin. Poursuivez votre lecture pour en savoir plus !\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/\" \/>\n<meta property=\"og:site_name\" content=\"TJC Group\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-01T07:00:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/EN_Header_Blog_Maximising-SAP-License-Value-Before-Legacy-System-Decommissioning-scaled.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1280\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@tjcsoftware\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"11 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/blogs\\\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\\\/\",\"url\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/blogs\\\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\\\/\",\"name\":\"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP -\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/blogs\\\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/blogs\\\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.tjc-group.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/EN_Header_Blog_Maximising-SAP-License-Value-Before-Legacy-System-Decommissioning-scaled.webp\",\"datePublished\":\"2026-03-17T13:56:56+00:00\",\"dateModified\":\"2026-05-01T07:00:58+00:00\",\"description\":\"Vous planifiez le d\u00e9classement d\u2019un syst\u00e8me legacy ? D\u00e9couvrez la valeur cach\u00e9e de vos licences SAP avant d\u2019aller plus loin. Poursuivez votre lecture pour en savoir plus !\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/blogs\\\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/blogs\\\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\\\/\"]}],\"accessibilityFeature\":[\"tableOfContents\"]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/blogs\\\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.tjc-group.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/EN_Header_Blog_Maximising-SAP-License-Value-Before-Legacy-System-Decommissioning-scaled.webp\",\"contentUrl\":\"https:\\\/\\\/www.tjc-group.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/EN_Header_Blog_Maximising-SAP-License-Value-Before-Legacy-System-Decommissioning-scaled.webp\",\"width\":2560,\"height\":1280,\"caption\":\"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/blogs\\\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Blog\",\"item\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/blogs\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/\",\"name\":\"TJC Group\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/#organization\",\"name\":\"TJC Group\",\"url\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.tjc-group.com\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/logo.svg\",\"contentUrl\":\"https:\\\/\\\/www.tjc-group.com\\\/wp-content\\\/uploads\\\/2021\\\/05\\\/logo.svg\",\"caption\":\"TJC Group\"},\"image\":{\"@id\":\"https:\\\/\\\/www.tjc-group.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/tjcsoftware\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/tjc-group\",\"https:\\\/\\\/www.youtube.com\\\/tjcgroup\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP -","description":"Vous planifiez le d\u00e9classement d\u2019un syst\u00e8me legacy ? D\u00e9couvrez la valeur cach\u00e9e de vos licences SAP avant d\u2019aller plus loin. Poursuivez votre lecture pour en savoir plus !","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/","og_locale":"fr_FR","og_type":"article","og_title":"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP","og_description":"Vous planifiez le d\u00e9classement d\u2019un syst\u00e8me legacy ? D\u00e9couvrez la valeur cach\u00e9e de vos licences SAP avant d\u2019aller plus loin. Poursuivez votre lecture pour en savoir plus !","og_url":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/","og_site_name":"TJC Group","article_modified_time":"2026-05-01T07:00:58+00:00","og_image":[{"width":2560,"height":1280,"url":"https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/EN_Header_Blog_Maximising-SAP-License-Value-Before-Legacy-System-Decommissioning-scaled.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_site":"@tjcsoftware","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"11 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/","url":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/","name":"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP -","isPartOf":{"@id":"https:\/\/www.tjc-group.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/#primaryimage"},"image":{"@id":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/#primaryimage"},"thumbnailUrl":"https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/EN_Header_Blog_Maximising-SAP-License-Value-Before-Legacy-System-Decommissioning-scaled.webp","datePublished":"2026-03-17T13:56:56+00:00","dateModified":"2026-05-01T07:00:58+00:00","description":"Vous planifiez le d\u00e9classement d\u2019un syst\u00e8me legacy ? D\u00e9couvrez la valeur cach\u00e9e de vos licences SAP avant d\u2019aller plus loin. Poursuivez votre lecture pour en savoir plus !","breadcrumb":{"@id":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/"]}],"accessibilityFeature":["tableOfContents"]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/#primaryimage","url":"https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/EN_Header_Blog_Maximising-SAP-License-Value-Before-Legacy-System-Decommissioning-scaled.webp","contentUrl":"https:\/\/www.tjc-group.com\/wp-content\/uploads\/2026\/03\/EN_Header_Blog_Maximising-SAP-License-Value-Before-Legacy-System-Decommissioning-scaled.webp","width":2560,"height":1280,"caption":"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP"},{"@type":"BreadcrumbList","@id":"https:\/\/www.tjc-group.com\/fr\/blogs\/mise-hors-service-des-systemes-legacy-liberez-de-la-valeur-cachee-dans-vos-licences-sap\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.tjc-group.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Blog","item":"https:\/\/www.tjc-group.com\/fr\/blogs\/"},{"@type":"ListItem","position":3,"name":"Mise hors service des syst\u00e8mes legacy : lib\u00e9rez de la valeur cach\u00e9e dans vos licences SAP"}]},{"@type":"WebSite","@id":"https:\/\/www.tjc-group.com\/fr\/#website","url":"https:\/\/www.tjc-group.com\/fr\/","name":"TJC Group","description":"","publisher":{"@id":"https:\/\/www.tjc-group.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.tjc-group.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.tjc-group.com\/fr\/#organization","name":"TJC Group","url":"https:\/\/www.tjc-group.com\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.tjc-group.com\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/www.tjc-group.com\/wp-content\/uploads\/2021\/05\/logo.svg","contentUrl":"https:\/\/www.tjc-group.com\/wp-content\/uploads\/2021\/05\/logo.svg","caption":"TJC Group"},"image":{"@id":"https:\/\/www.tjc-group.com\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/tjcsoftware","https:\/\/www.linkedin.com\/company\/tjc-group","https:\/\/www.youtube.com\/tjcgroup"]}]}},"_links":{"self":[{"href":"https:\/\/www.tjc-group.com\/fr\/wp-json\/wp\/v2\/blog\/43520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tjc-group.com\/fr\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.tjc-group.com\/fr\/wp-json\/wp\/v2\/types\/blog"}],"version-history":[{"count":4,"href":"https:\/\/www.tjc-group.com\/fr\/wp-json\/wp\/v2\/blog\/43520\/revisions"}],"predecessor-version":[{"id":43764,"href":"https:\/\/www.tjc-group.com\/fr\/wp-json\/wp\/v2\/blog\/43520\/revisions\/43764"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tjc-group.com\/fr\/wp-json\/wp\/v2\/media\/43519"}],"wp:attachment":[{"href":"https:\/\/www.tjc-group.com\/fr\/wp-json\/wp\/v2\/media?parent=43520"}],"wp:term":[{"taxonomy":"blog_tag","embeddable":true,"href":"https:\/\/www.tjc-group.com\/fr\/wp-json\/wp\/v2\/blog_tag?post=43520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}