{"id":16940,"date":"2026-06-18T06:00:56","date_gmt":"2026-06-17T21:00:56","guid":{"rendered":"https:\/\/m365jp.net\/?p=16940"},"modified":"2026-06-18T06:09:51","modified_gmt":"2026-06-17T21:09:51","slug":"servicedegradation-ex1233142-exchange-online-some-users-may-see-that-when-selecting-a-meeting-room-when-scheduling-meetings-it-changes-from-available-to-unavailable-10","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-06-18-servicedegradation-ex1233142-exchange-online-some-users-may-see-that-when-selecting-a-meeting-room-when-scheduling-meetings-it-changes-from-available-to-unavailable-10","title":{"rendered":"[serviceDegradation] EX1233142 | Exchange Online | Some users may see that when selecting a meeting room when scheduling meetings, it changes from available to unavailable"},"content":{"rendered":"
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EX1233142 | Exchange Online | Some users may see that when selecting a meeting room when scheduling meetings, it changes from available to unavailable<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n\n\n
Status<\/th>\nserviceDegradation<\/td>\n<\/tr>\n
Classification<\/th>\nadvisory<\/td>\n<\/tr>\n
User Impact<\/th>\nUsers may see that after selecting a meeting room when scheduling meetings, it changes from available to unavailable.<\/td>\n<\/tr>\n
Last Updated<\/th>\n06\/17\/2026 20:20:04<\/td>\n<\/tr>\n
Start Time<\/th>\n12\/08\/2025 03:04:00<\/td>\n<\/tr>\n
End Time<\/th>\n<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Some users may see that when selecting a meeting room when scheduling meetings, it changes from available to unavailable <\/p>\n

User impact: Users may see that after selecting a meeting room when scheduling meetings, it changes from available to unavailable. <\/p>\n

More info: While we’re working to remediate the impact, admins can circumvent the issue by assigning the desired working hours and the time zone for the meeting rooms. <\/p>\n

Current status: We’ve validated the code solution that includes the required fix and have resumed deployment, which is on schedule for our anticipated completion date of Friday, June 26, 2026. We’re reaching out to a subset of affected users to validate the fix ahead of schedule to further streamline the deployment process. <\/p>\n

Scope of impact: Any users that are trying to select a meeting room when scheduling meetings outside the room’s working hours in Exchange Online may be impacted. <\/p>\n

Start time: Monday, December 8, 2025, at 3:04 AM UTC <\/p>\n

Root cause: A recent expansion of the feature logic used to book rooms for scheduled meetings contains a code complication which automatically sets the meeting rooms’ default working hours to appear in Pacific Standard Time instead of their accurate time zone. <\/p>\n

Next update by: Friday, June 26, 2026, at 8:30 PM UTC<\/td>\n<\/tr>\n

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\u958b\u59cb\u6642\u9593:2025\u5e7412\u67088\u65e5(\u6708)\u5348\u524d3\u664204\u5206 UTC <\/p>\n

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