{"id":15708,"date":"2026-09-02T15:00:42","date_gmt":"2026-09-02T12:00:42","guid":{"rendered":"https:\/\/www.inetmar.com\/blog\/?p=15708"},"modified":"2026-09-02T15:00:42","modified_gmt":"2026-09-02T12:00:42","slug":"microsoft-365te-kuresel-kesinti","status":"publish","type":"post","link":"https:\/\/www.inetmar.com\/blog\/microsoft-365te-kuresel-kesinti\/","title":{"rendered":"Microsoft 365\u2019te K\u00fcresel Kesinti! Kimlik Do\u011frulama Sorunlar\u0131 ve Kritik Servis Hatalar\u0131 Ya\u015fand\u0131!"},"content":{"rendered":"<p>Cloud bili\u015fim devi Microsoft Microsoft 365 ekosistemini derinden etkileyen ve on binlerce kurumsal kullan\u0131c\u0131y\u0131 ma\u011fdur eden geni\u015f \u00e7apl\u0131 bir eri\u015fim sorunuyla kar\u015f\u0131 kar\u015f\u0131ya kald\u0131. Ba\u015fta Exchange Online olmak \u00fczere bir\u00e7ok temel i\u015f uygulamas\u0131n\u0131 fel\u00e7 eden kesinti kimlik do\u011frulama problemleri, gecikmeler ve operasyonel aksakl\u0131klarla kendini g\u00f6sterdi.<\/p>\n<h3>Kesintinin Kapsam\u0131 ve \u0130lk Belirtiler<\/h3>\n<p>Kullan\u0131c\u0131lar\u0131n sosyal medya ve kesinti izleme platformu Downdetector \u00fczerinden yapt\u0131\u011f\u0131 yo\u011fun \u015fikayetlerin ard\u0131ndan Microsoft durumu ilk olarak y\u00f6netim merkezinde <strong>EX1464935<\/strong> koduyla incelemeye ald\u0131. Ancak incelemeler derinle\u015ftik\u00e7e problemin yaln\u0131zca Exchange Online ile s\u0131n\u0131rl\u0131 kalmad\u0131\u011f\u0131 anla\u015f\u0131ld\u0131. \u015eirket kapsam\u0131 geni\u015fleterek vakay\u0131 <strong>MO1465074<\/strong> kodu alt\u0131nda kritik bir &#8220;hizmet kesintisi&#8221; olarak yeniden s\u0131n\u0131fland\u0131rd\u0131.<\/p>\n<p>Etkilenen platformlar aras\u0131nda i\u015f d\u00fcnyas\u0131n\u0131n en kritik ara\u00e7lar\u0131 yer ald\u0131:<\/p>\n<ul>\n<li><strong>Exchange Online \/ Outlook<\/strong><\/li>\n<li><strong>Microsoft Teams<\/strong><\/li>\n<li><strong>OneDrive for Business ve SharePoint Online<\/strong><\/li>\n<li><strong>Microsoft Purview<\/strong><\/li>\n<li><strong>Microsoft Defender XDR<\/strong><\/li>\n<\/ul>\n<h3>Kullan\u0131c\u0131lar Ne T\u00fcr Sorunlarla Kar\u015f\u0131la\u015ft\u0131?<\/h3>\n<p>\u00d6zellikle Exchange Online altyap\u0131s\u0131nda hissedilen ve do\u011frudan i\u015f ak\u0131\u015flar\u0131n\u0131 durma noktas\u0131na getiren ba\u015fl\u0131ca problemler \u015funlar oldu:<\/p>\n<ul>\n<li>E-posta g\u00f6nderim ve al\u0131mlar\u0131nda ciddi gecikmeler ya da tamamen ba\u015far\u0131s\u0131z olan iletiler,<\/li>\n<li>Gelen kutusu i\u00e7i aramalarda sonu\u00e7lar\u0131n gelmemesi veya eksik listelenmesi,<\/li>\n<li>Hizmetlere eri\u015firken kar\u015f\u0131la\u015f\u0131lan kimlik do\u011frulama (oturum a\u00e7ma) hatalar\u0131,<\/li>\n<li>Exchange y\u00f6netim merkezinde i\u015flem yap\u0131lamamas\u0131 ve y\u00f6netimsel k\u0131s\u0131tlar,<\/li>\n<li>Posta kutusu senkronizasyonunda ve mesaj ak\u0131\u015f i\u015fleyi\u015finde kesintili \u00e7al\u0131\u015fma.<\/li>\n<\/ul>\n<h3>Sorunun Kayna\u011f\u0131 Neydi?<\/h3>\n<p>Microsoft m\u00fchendisleri taraf\u0131ndan yap\u0131lan teknik incelemelerde, hatan\u0131n kimlik do\u011frulama ve protokol ba\u011flant\u0131lar\u0131yla ili\u015fkili ortak bir sistemik modelden kaynakland\u0131\u011f\u0131 tespit edildi. \u015eirketten yap\u0131lan resmi a\u00e7\u0131klamada sorunun temel nedeninin <strong>Exchange Online altyap\u0131s\u0131ndaki birden fazla dahili hizmet taraf\u0131ndan kullan\u0131lan temel kimlik do\u011frulama yap\u0131land\u0131rmas\u0131ndaki bir aksakl\u0131k<\/strong> oldu\u011fu belirtildi.<\/p>\n<h3>\u0130yile\u015ftirme S\u00fcreci ve Son Durum<\/h3>\n<p>Kesintinin ilk sinyallerinin al\u0131nmas\u0131n\u0131n ard\u0131ndan telemetri verilerini izleyen Microsoft a\u015famal\u0131 d\u00fczeltmeler uygulayarak sistemi toparlamaya ba\u015flad\u0131:<\/p>\n<ul>\n<li><strong>1 Eyl\u00fcl:<\/strong> \u0130lk bildirimden yakla\u015f\u0131k 22 saat sonra yay\u0131mlanan g\u00fcncellemelerde telemetrinin pozitif e\u011filime girdi\u011fi, ard\u0131ndan Exchange Online e-posta ak\u0131\u015f\u0131n\u0131n ve arama i\u015flevlerinin normale d\u00f6nd\u00fc\u011f\u00fc aktar\u0131ld\u0131.<\/li>\n<li><strong>2 Eyl\u00fcl:<\/strong> \u015eirket sistem d\u00fczeltmelerinin altyap\u0131ya yay\u0131lmas\u0131 s\u00fcrecinde \u00e7ok k\u00fc\u00e7\u00fck bir kullan\u0131c\u0131 kitlesinde ge\u00e7ici aksakl\u0131klar g\u00f6r\u00fclebilece\u011fini, ancak hizmet eri\u015filebilirli\u011finin %99&#8217;un \u00fczerine \u00e7\u0131kt\u0131\u011f\u0131n\u0131 ve kullan\u0131c\u0131lar\u0131n b\u00fcy\u00fck \u00e7o\u011funlu\u011fu i\u00e7in krizin a\u015f\u0131ld\u0131\u011f\u0131n\u0131 duyurdu.<\/li>\n<\/ul>\n<h3>\u0130\u015f S\u00fcreklili\u011fi \u0130\u00e7in G\u00fcvenilir Alternatifler \u015eart<\/h3>\n<p>Son d\u00f6nemde benzer altyap\u0131 sorunlar\u0131yla g\u00fcndeme gelen Microsoft, bu son kesintiyle birlikte kurumsal bulut mimarisinde kimlik do\u011frulama bile\u015fenlerinin ne derece kritik oldu\u011funu bir kez daha g\u00f6zler \u00f6n\u00fcne serdi. \u0130leti\u015fimin kesintisiz s\u00fcrmesi gereken i\u015f d\u00fcnyas\u0131nda, tek bir sa\u011flay\u0131c\u0131ya ba\u011fl\u0131 kalmak operasyonel riskleri de beraberinde getiriyor.<\/p>\n<p>K\u00fcresel kesintilerden etkilenmeden i\u015f s\u00fcre\u00e7lerinizi kesintisiz y\u00fcr\u00fctmek istiyorsan\u0131z, g\u00fc\u00e7l\u00fc bir <a href=\"https:\/\/www.inetmar.com\/kurumsal-e-posta\/\" target=\"_blank\" rel=\"noopener\">Microsoft 365 alternatifi<\/a> aray\u0131\u015f\u0131nda olabilirsiniz. \u0130netmar ailesi olarak sekt\u00f6rdeki <strong>20 y\u0131ll\u0131k tecr\u00fcbemizle<\/strong> i\u015fletmenize \u00f6zel, y\u00fcksek eri\u015filebilirlikli ve kesintisiz <a href=\"https:\/\/www.inetmar.com\/kurumsal-e-posta\/\" target=\"_blank\" rel=\"noopener\">kurumsal e-posta<\/a> \u00e7\u00f6z\u00fcmleri sunuyoruz. \u00dcstelik hi\u00e7bir veri kayb\u0131 ve i\u015f kesintisi ya\u015famadan ge\u00e7i\u015f yapabilmeniz i\u00e7in <strong>\u00fccretsiz mail ta\u015f\u0131ma<\/strong> deste\u011fimizle her ad\u0131mda yan\u0131n\u0131zday\u0131z.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cloud bili\u015fim devi Microsoft Microsoft 365 ekosistemini derinden etkileyen ve on binlerce kurumsal kullan\u0131c\u0131y\u0131 ma\u011fdur eden geni\u015f \u00e7apl\u0131 bir eri\u015fim sorunuyla kar\u015f\u0131 kar\u015f\u0131ya kald\u0131. Ba\u015fta Exchange Online olmak \u00fczere bir\u00e7ok temel i\u015f uygulamas\u0131n\u0131 fel\u00e7 eden&#46;&#46;&#46;<\/p>\n","protected":false},"author":2,"featured_media":15711,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[],"class_list":["post-15708","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email"],"_links":{"self":[{"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/posts\/15708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/comments?post=15708"}],"version-history":[{"count":2,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/posts\/15708\/revisions"}],"predecessor-version":[{"id":15710,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/posts\/15708\/revisions\/15710"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/media\/15711"}],"wp:attachment":[{"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/media?parent=15708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/categories?post=15708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/tags?post=15708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}