{"id":27543,"date":"2020-06-30T09:38:53","date_gmt":"2020-06-30T07:38:53","guid":{"rendered":"https:\/\/digatus.com\/deploiement-dexchange-online-pour-siemens-healthineers\/"},"modified":"2025-12-19T17:15:40","modified_gmt":"2025-12-19T16:15:40","slug":"deploiement-dexchange-online-pour-siemens-healthineers","status":"publish","type":"post","link":"https:\/\/digatus.com\/fr\/deploiement-dexchange-online-pour-siemens-healthineers\/","title":{"rendered":"D\u00e9ploiement d&rsquo;Exchange Online pour Siemens Healthineers"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"27543\" class=\"elementor elementor-27543 elementor-7420\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-94fd1ba elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"94fd1ba\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7f1821cc\" data-id=\"7f1821cc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-399d7aca elementor-widget elementor-widget-text-editor\" data-id=\"399d7aca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5>Client : Siemens Healthineers AG<\/h5><p style=\"text-align: justify;\"><a href=\"https:\/\/www.siemens-healthineers.com\/de\/\" target=\"_blank\" rel=\"noopener noreferrer\">Siemens Healthineers AG<\/a> est la soci\u00e9t\u00e9 m\u00e8re de plusieurs entreprises qui, en tant que groupe, constituent l&rsquo;un des plus grands fournisseurs de soins de sant\u00e9 au monde, employant environ 53 000 personnes dans plus de 70 pays. Elle a fait ses d\u00e9buts avec succ\u00e8s \u00e0 la Bourse de Francfort le 16 mars 2018. Son si\u00e8ge social en Allemagne est situ\u00e9 \u00e0 Erlangen. Au cours de l&rsquo;exercice 2017\/18, elle a r\u00e9alis\u00e9 un chiffre d&rsquo;affaires de 13,4 milliards d&rsquo;euros. Chaque jour, environ cinq millions de patients dans le monde b\u00e9n\u00e9ficient de ses produits et services innovants dans les domaines de l&rsquo;imagerie diagnostique et th\u00e9rapeutique, du diagnostic de laboratoire et de la m\u00e9decine mol\u00e9culaire, ainsi que de ses offres dans les domaines des services de sant\u00e9 num\u00e9riques et de la gestion hospitali\u00e8re.    <\/p><h5>Situation initiale et d\u00e9fi<\/h5><p style=\"text-align: justify;\">\u00ab Direction le cloud \u00bb &#8211; telle \u00e9tait \u00e9galement la devise de Siemens Healthineers. Une premi\u00e8re \u00e9tape consistait \u00e0 externaliser Microsoft Exchange vers le cloud. Dans ce cadre, il fallait migrer plus de 70 000 bo\u00eetes aux lettres dans le monde entier de Microsoft Exchange On-Premise (serveur de messagerie d&rsquo;origine) vers Microsoft Exchange Online (cloud).<br>L&rsquo;objectif principal du projet \u00e9tait de fournir un \u00ab espace de travail num\u00e9rique \u00bb aux employ\u00e9s du monde entier afin d&rsquo;am\u00e9liorer l&rsquo;exp\u00e9rience utilisateur. En outre, le passage \u00e0 Microsoft Exchange visait \u00e0 optimiser les co\u00fbts d&rsquo;exploitation courants des licences et de l&rsquo;infrastructure.   <\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-5523 size-large\" src=\"https:\/\/digatus.com\/wp-content\/uploads\/2022\/01\/Siemens-Healthineers-Ziel-Herausforderungen.png-1024x519.webp\" alt=\"Objectif et d\u00e9fi de Siemens Healthineers\" width=\"1024\" height=\"519\"><\/p><p>Objectif du projet et d\u00e9fis lors du d\u00e9ploiement d&rsquo;Exchange Online pour Siemens Healthineers<\/p><p style=\"text-align: justify;\">Les avantages d&rsquo;Exchange Online deviennent rapidement visibles &#8211; par exemple, les employ\u00e9s peuvent acc\u00e9der \u00e0 leur bo\u00eete aux lettres en d\u00e9placement sans surcharger le r\u00e9seau de l&rsquo;entreprise. Les administrateurs gagnent du temps car la gestion de leur propre infrastructure devient nettement plus simple. En outre, MS Exchange Online offre \u00e0 l&rsquo;utilisateur final l&rsquo;avantage d&rsquo;une bo\u00eete aux lettres Outlook plus grande (100 Go) et s\u00e9curise davantage les donn\u00e9es de l&rsquo;utilisateur final gr\u00e2ce \u00e0 l&rsquo;authentification multifactorielle.<br>Au d\u00e9but de la migration vers Exchange Online, le paysage des bo\u00eetes aux lettres \u00e9tait remarquablement h\u00e9t\u00e9rog\u00e8ne. Le d\u00e9fi particulier consistait \u00e0 migrer les bo\u00eetes aux lettres de Siemens Healthineers, qui se trouvaient sur diff\u00e9rents sites d&rsquo;infrastructure &#8211; sur site ainsi que dans le tenant (locataire) Siemens Office 365 &#8211; vers le tenant Office 365 de Siemens Healthineers.<br>Outre certaines restrictions et un effort de planification particulier, l&rsquo;un des plus grands d\u00e9fis consistait \u00e0 effectuer la migration dans le d\u00e9lai serr\u00e9 imparti.<br>Car tout retard entra\u00eenerait des co\u00fbts exorbitants pour l&rsquo;\u00ab infrastructure de transition \u00bb, c&rsquo;est-\u00e0-dire pour les serveurs lou\u00e9s existants d&rsquo;un centre de calcul tiers.   <\/p><h5>Solution<\/h5><p style=\"text-align: justify;\">D\u00e8s le d\u00e9but, digatus a pu contribuer au bon d\u00e9roulement du projet dans le d\u00e9lai imparti. L&rsquo;\u00e9quipe de projet de digatus a accompagn\u00e9 la transition vers Exchange Online et a assur\u00e9 les fonctions suivantes : <\/p><p style=\"text-align: justify;\"><strong>Responsable de la transition du d\u00e9ploiement<\/strong><br>S&rsquo;agissant d&rsquo;une transition globale, il \u00e9tait particuli\u00e8rement important de la planifier soigneusement et en tenant compte des besoins r\u00e9gionaux et sp\u00e9cifiques \u00e0 chaque domaine, de communiquer la planification aux coordinateurs de Siemens Healthineers concern\u00e9s et, enfin, de migrer les bo\u00eetes aux lettres. L&rsquo;accent a \u00e9t\u00e9 mis sur le fait que les bo\u00eetes aux lettres pr\u00e9sentant des caract\u00e9ristiques sp\u00e9cifiques, telles que des d\u00e9pendances avec d&rsquo;autres bo\u00eetes aux lettres, ne devaient pas \u00eatre migr\u00e9es imm\u00e9diatement, mais devaient d&rsquo;abord \u00eatre mises de c\u00f4t\u00e9 et trait\u00e9es diff\u00e9remment par la suite. <\/p><p style=\"text-align: justify;\"><strong>Responsable technique de la transition<\/strong><br>Apr\u00e8s que le responsable de la transition du d\u00e9ploiement ait pr\u00e9par\u00e9 la migration des bo\u00eetes aux lettres, le responsable technique de la transition a planifi\u00e9 la migration par vagues. Avant la migration proprement dite, il fallait d&rsquo;abord v\u00e9rifier si les bo\u00eetes aux lettres remplissaient les conditions techniques n\u00e9cessaires \u00e0 la migration.<br>Entre autres, il fallait attribuer une licence Office 365 au compte \u00e0 migrer et le synchroniser dans l&rsquo;Azure Active Directory. Une fois que les conditions pr\u00e9alables d\u00e9crites pour la pr\u00e9paration technique (technical Readiness) des bo\u00eetes aux lettres \u00e9taient remplies, la migration vers Exchange Online pouvait \u00eatre effectu\u00e9e.  <\/p><blockquote><p>\u00ab Dans un projet d&rsquo;une telle envergure, une collaboration absolument fluide et une expertise technique transversale au sein de l&rsquo;\u00e9quipe de projet sont indispensables. La r\u00e9silience et la comp\u00e9tence des coll\u00e8gues de digatus ont \u00e9t\u00e9 un facteur de r\u00e9ussite essentiel pour la mise en \u0153uvre efficace de la migration vers Exchange Online. \u00bb <\/p><p><strong>Peter Doma &#8211; Responsable du lieu de travail moderne, Siemens Healthineers AG<\/strong><\/p><\/blockquote><p style=\"text-align: justify;\"><strong>Responsable Hypercare<\/strong><br>Le r\u00f4le du responsable Hypercare consistait principalement \u00e0 s&rsquo;assurer que la phase de transition des services \u00e9tait soutenue par des prestations Hypercare. \u00c0 titre d&rsquo;exemple, il convient de mentionner \u00e0 cet \u00e9gard tant l&rsquo;\u00e9laboration de rapports sur les tickets \u00e9mergents que la fonction d&rsquo;interlocuteur principal en cas d&rsquo;escalades.<br>Une valeur ajout\u00e9e particuli\u00e8re a \u00e9t\u00e9 cr\u00e9\u00e9e par la r\u00e9daction d&rsquo;articles wiki et d&rsquo;articles de base de connaissances (par exemple, synchronisation des e-mails et des t\u00e9l\u00e9phones portables, \u00e9tat du processus de migration de la bo\u00eete aux lettres, r\u00e9solution de probl\u00e8mes apr\u00e8s migration) qui ont pu \u00eatre transmis au support de premier niveau apr\u00e8s le projet. <\/p><p style=\"text-align: justify;\"><strong>Gestion de projet<\/strong><br>Tout au long du projet, la gestion de projet a pu contribuer \u00e0 l&rsquo;impl\u00e9mentation et \u00e0 l&rsquo;application coh\u00e9rente de m\u00e9thodes standardis\u00e9es de gestion de projet. Par exemple, des m\u00e9thodes agiles ont \u00e9t\u00e9 introduites, surveill\u00e9es et pilot\u00e9es \u00e0 l&rsquo;aide d&rsquo;applications innovantes telles que Microsoft Teams et Project.<br>En outre, la gestion de projet a pu consid\u00e9rablement soulager la direction\/l&rsquo;\u00e9quipe du projet gr\u00e2ce \u00e0 un soutien administratif et op\u00e9rationnel (par exemple, gestion des risques, coordination des activit\u00e9s du projet, mise en place et maintenance du plan de projet).<br>De m\u00eame, une collaboration efficiente et efficace a pu \u00eatre assur\u00e9e en favorisant l&rsquo;\u00e9change, la coordination et la motivation pour fid\u00e9liser les membres de l&rsquo;\u00e9quipe projet. <\/p><h5>Avantages pour le client<\/h5><p style=\"text-align: justify;\">La migration vers MS Exchange Online a pu \u00eatre r\u00e9alis\u00e9e avec succ\u00e8s dans le d\u00e9lai serr\u00e9 imparti, car l&rsquo;\u00e9quipe de projet digatus, dans cette configuration, a pu apporter de mani\u00e8re optimale la multitude d&rsquo;exigences professionnelles, techniques et m\u00e9thodologiques.<br>Gr\u00e2ce \u00e0 la coop\u00e9ration de longue date entre digatus et Siemens Healthineers, les consultants ont pu s&rsquo;adapter rapidement \u00e0 leurs r\u00f4les et \u00e0 l&rsquo;environnement de l&rsquo;entreprise. Enfin, la grande confiance mutuelle et la m\u00e9thode de travail toujours transparente ont pu conduire au succ\u00e8s du projet malgr\u00e9 quelques d\u00e9fis. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-f4ae8b8 e-flex e-con-boxed e-con e-parent\" data-id=\"f4ae8b8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20433 elementor-author-box--layout-image-above elementor-widget elementor-widget-global elementor-global-27792 elementor-global-20433 elementor-widget-author-box\" data-id=\"20433\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/digatus.com\/wp-content\/uploads\/2025\/02\/digatus-stephan-bals-300x300.jpg\" alt=\"Image de Stephan Bals\" loading=\"lazy\">\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<h1 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tStephan Bals\t\t\t\t\t\t<\/h1>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\t<p>Il a \u00e9tudi\u00e9 la gestion d'entreprise, avec une sp\u00e9cialisation en management, \u00e0 l'Universit\u00e9 des Sciences Appliqu\u00e9es de Berlin Beuth. Apr\u00e8s l'obtention de son dipl\u00f4me en commerce, il a d\u00e9but\u00e9 sa carri\u00e8re chez Siemens AG \u00e0 Munich.<br \/>\nD\u00e8s ses premi\u00e8res ann\u00e9es professionnelles, il a rapidement acquis de l'exp\u00e9rience dans diverses positions de direction. Il a notamment \u00e9t\u00e9 responsable en tant que directeur g\u00e9n\u00e9ral d'entreprises de conseil et de services informatiques de taille moyenne, dont derni\u00e8rement Xiopia GmbH, ainsi que membre du conseil d'administration d'Allgeier IT Solutions AG. Avec la fondation de digatus it group, il a poursuivi sa carri\u00e8re en tant que fondateur et entrepreneur. D\u00e9but 2015, il a fond\u00e9 digatus it group AG avec Felix Kirschner dans le but \u00ab de construire \u00bb un prestataire de services informatiques pertinent sur le march\u00e9 en Allemagne. Au sein du groupe digatus, ses responsabilit\u00e9s principales se concentrent sur les ventes, la gestion de la croissance et les fusions-acquisitions. \u00c0 l'interface entre le business et l'informatique, il est un m\u00e9diateur, un partenaire de r\u00e9flexion et un g\u00e9n\u00e9rateur d'id\u00e9es tr\u00e8s sollicit\u00e9.<br \/>\nOutre son r\u00f4le de pr\u00e9sident du conseil d'administration de digatus it group AG, il s'engage entre-temps en tant que cofondateur et investisseur, b\u00e9n\u00e9volement dans diverses initiatives et associations caritatives, ainsi qu'en tant que conseiller, conseiller senior et membre de conseil de surveillance.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<a class=\"elementor-author-box__button elementor-button elementor-size-xs\" href=\"https:\/\/www.linkedin.com\/in\/stephan-bals-624a69135\/\">\n\t\t\t\t\t\tStephan sur LinkedIn\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Notre \u00e9quipe de projet a notamment soutenu Siemens Healthineers AG dans l&rsquo;externalisation de Microsoft Exchange vers le cloud en migrant plus de 70 000 bo\u00eetes aux lettres dans le monde entier.<\/p>\n","protected":false},"author":2,"featured_media":27544,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[167],"tags":[172,171],"class_list":["post-27543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-histoire-de-reussite","tag-cloud-fr","tag-deploiement"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9ploiement d&#039;Exchange Online pour Siemens 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