{"id":40663,"date":"2026-07-22T14:41:28","date_gmt":"2026-07-22T11:41:28","guid":{"rendered":"https:\/\/profelis.com.tr\/?p=40663"},"modified":"2026-07-22T14:43:33","modified_gmt":"2026-07-22T11:43:33","slug":"exchange-server-2016-ve-2019-esu-programi-sona-eriyor","status":"publish","type":"post","link":"https:\/\/profelis.com.tr\/en\/2026\/07\/22\/exchange-server-2016-ve-2019-esu-programi-sona-eriyor\/","title":{"rendered":"Exchange Server 2016 and 2019 ESU Program Ending"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"40663\" class=\"elementor elementor-40663\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b1c28c8 e-flex e-con-boxed e-con e-parent\" data-id=\"b1c28c8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;pix_scale_in&quot;:&quot;none&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d748742 elementor-widget elementor-widget-text-editor\" data-id=\"d748742\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Microsoft has announced that the Extended Security Updates (ESU) program for Exchange Server 2016 and 2019 will definitely end in October 2026.<\/span><\/p><p><span style=\"font-weight: 400;\">So what does this mean?<\/span><\/p><ul><li><span style=\"font-weight: 400;\"> There will be no new extension for the ESU program.<\/span><\/li><li><span style=\"font-weight: 400;\">No updates will be released for Exchange 2016 and 2019 after October 2026.<\/span><\/li><li><span style=\"font-weight: 400;\">This situation will also apply to systems already covered under Period 2 ESU.<\/span><\/li><li><span style=\"font-weight: 400;\">Microsoft is steering organizations that will continue to use Exchange in their on-premises infrastructure toward Exchange Server Subscription Edition (SE).<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">This important development leads institutions to re-evaluate their email infrastructures in terms of sustainability and vendor lock-in, while once again highlighting the importance of the flexibility and control offered by open-source solutions.<\/span><\/p><p><span style=\"font-weight: 400;\">The full announcement from Microsoft:<\/span><span style=\"font-weight: 400;\"><br \/><\/span><a href=\"https:\/\/techcommunity.microsoft.com\/blog\/exchange\/reminder-exchange-2016-and-2019-esu-program-ends-in-october-2026\/4539033\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">https:\/\/techcommunity.microsoft.com\/blog\/exchange\/reminder-exchange-2016-and-2019-esu-program-ends-in-october-2026\/4539033<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Microsoft, Exchange Server 2016 ve 2019 i\u00e7in Geni\u015fletilmi\u015f G\u00fcvenlik G\u00fcncelle\u015ftirmeleri (ESU) program\u0131n\u0131n Ekim 2026\u2019da kesin olarak sona erece\u011fini duyurdu. Peki bu ne anlama geliyor? ESU program\u0131 i\u00e7in yeni bir uzatma yap\u0131lmayacak. Ekim 2026\u2019n\u0131n ard\u0131ndan Exchange 2016 ve 2019 i\u00e7in hi\u00e7bir&#8230;<\/p>","protected":false},"author":5,"featured_media":40664,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[150,44,43],"tags":[168,167,166],"class_list":["post-40663","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acik-kaynak","category-duyuru","category-haber","tag-destek-sonu","tag-exchange","tag-microsoft"],"_links":{"self":[{"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/posts\/40663","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/comments?post=40663"}],"version-history":[{"count":7,"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/posts\/40663\/revisions"}],"predecessor-version":[{"id":40672,"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/posts\/40663\/revisions\/40672"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/media\/40664"}],"wp:attachment":[{"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/media?parent=40663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/categories?post=40663"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/profelis.com.tr\/en\/wp-json\/wp\/v2\/tags?post=40663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}