{"id":15711,"date":"2026-04-01T10:00:54","date_gmt":"2026-04-01T01:00:54","guid":{"rendered":"https:\/\/m365jp.net\/?p=15711"},"modified":"2026-04-01T10:01:10","modified_gmt":"2026-04-01T01:01:10","slug":"servicedegradation-dz1266872-microsoft-defender-xdr-admins-may-notice-excessive-memory-usage-on-their-windows-server-2016-machines-3","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-04-01-servicedegradation-dz1266872-microsoft-defender-xdr-admins-may-notice-excessive-memory-usage-on-their-windows-server-2016-machines-3","title":{"rendered":"[serviceDegradation] DZ1266872 | Microsoft Defender XDR | Admins may notice excessive memory usage on their Windows Server 2016 machines"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">DZ1266872 | Microsoft Defender XDR | Admins may notice excessive memory usage on their Windows Server 2016 machines<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Status<\/th>\n<td class=\"bad\">serviceDegradation<\/td>\n<\/tr>\n<tr>\n<th>Classification<\/th>\n<td>advisory<\/td>\n<\/tr>\n<tr>\n<th>User Impact<\/th>\n<td>Admins may notice excessive memory usage on their Windows Server 2016 machines.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>04\/01\/2026 00:19:02<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>03\/31\/2026 21:18:23<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td><\/td>\n<\/tr>\n<tr>\n<th>Latest Message<\/th>\n<td>Title: Admins may notice excessive memory usage on their Windows Server 2016 machines<\/p>\n<p>  User impact: Admins may notice excessive memory usage on their Windows Server 2016 machines.<\/p>\n<p>  More info: Admins may notice delays or timeouts with third-party applications hosted on affected Windows Sever 2016 machines running Microsoft Defender for Endpoint\u2019s Sense.<\/p>\n<p>  Current status: Following the release of our service optimizations to most of the affected machines, we\u2019ve confirmed that the impact to the majority of machines has been remediated. We\u2019re further monitoring the health of the remainder of affected devices as   our changes continue to propagate, as well as reaching a subset of affected users to provide contextual data surrounding the remaining impacted devices to determine if additional troubleshooting will be required.<\/p>\n<p>  Scope of impact: Any Windows Server 2016 admin may be affected.<\/p>\n<p>  Start time: Monday, March 23, 2026, at 12:00 AM UTC<\/p>\n<p>  Next update by: Wednesday, April 1, 2026, at 2:30 PM UTC<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\u30bf\u30a4\u30c8\u30eb:\u7ba1\u7406\u8005\u306fWindows Server 2016\u30de\u30b7\u30f3\u3067\u904e\u5270\u306a\u30e1\u30e2\u30ea\u4f7f\u7528\u306b\u6c17\u3065\u304f\u304b\u3082\u3057\u308c\u307e\u305b\u3093<\/p>\n<p>  \u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff:\u7ba1\u7406\u8005\u306fWindows Server 2016\u30de\u30b7\u30f3\u3067\u904e\u5270\u306a\u30e1\u30e2\u30ea\u4f7f\u7528\u306b\u6c17\u3065\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u8a73\u7d30\u60c5\u5831:\u7ba1\u7406\u8005\u306f\u3001Microsoft Defender for Endpoint&#8217;s Sense\u3092\u642d\u8f09\u3057\u305fWindows Sever 2016\u30de\u30b7\u30f3\u4e0a\u3067\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u9045\u5ef6\u3084\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u73fe\u72b6:\u5f71\u97ff\u3092\u53d7\u3051\u305f\u307b\u3068\u3093\u3069\u306e\u30de\u30b7\u30f3\u306b\u5bfe\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u6700\u9069\u5316\u306e\u30ea\u30ea\u30fc\u30b9\u3092\u53d7\u3051\u3066\u3001\u307b\u3068\u3093\u3069\u306e\u30de\u30b7\u30f3\u3078\u306e\u5f71\u97ff\u306f\u6539\u5584\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u5909\u66f4\u304c\u9032\u3080\u4e2d\u3067\u5f71\u97ff\u3092\u53d7\u3051\u305f\u6b8b\u308a\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u5065\u5eb7\u72b6\u614b\u3092\u3055\u3089\u306b\u76e3\u8996\u3057\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u9023\u7d61\u3057\u3066\u3001\u6b8b\u308b\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30c7\u30d0\u30a4\u30b9\u306b\u95a2\u3059\u308b\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3057\u3001\u8ffd\u52a0\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u5fc5\u8981\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>  \u5f71\u97ff\u7bc4\u56f2:Windows Server 2016\u306e\u7ba1\u7406\u8005\u306f\u8ab0\u3067\u3082\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u958b\u59cb\u6642\u523b:2026\u5e743\u670823\u65e5(\u6708)\u5348\u524d0\u6642(UTC)<\/p>\n<p>  \u6b21\u56de\u66f4\u65b0:2026\u5e744\u67081\u65e5\u6c34\u66dc\u65e5 \u5348\u5f8c2\u664230\u5206 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>DZ1266872 | Microsoft Defender XDR | Admins may notice excessive memory usage on their Windows Server 2016 mac [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-15711","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/comments?post=15711"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15711\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=15711"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=15711"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=15711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}