Microsoft 365 Alert : Service Degradation – Exchange Online – Some users may be unable to see email messages in specific Microsoft 365 groups in Outlook on the web – ONGOING

21/11/2022 18:00:00 PM (GMT)

NHSmail Reference : INC32883545

Microsoft Reference : EX468409

Issue Status : ONGOING

Issue Description : Some users may be unable to see email messages in specific Microsoft 365 groups in Outlook on the web.

More info : When attempting to view email messages in some specific Microsoft 365 group mailboxes in Outlook on the web, users may be informed that “Your request can’t be completed right now.”

Additionally, impact is specific to groups with a folder ID containing a “_” or “-”

As a workaround and while Microsoft focus on remediation, users may be able to change their mail layout settings from “Show email as individual messages” to “Show email grouped by conversation” to successfully view email messages.

Scope of impact : Impact is specific to some users attempting to view email messages in specific Microsoft 365 groups in Outlook on the web.

Current Update : 29/11/2022 09:42:00 AM – Microsoft has confirmed that the fix is deploying as expected and anticipate it reaching some affected users by the next scheduled update. They will provide an estimated timeline for remediation once available.

Root cause : A recent service update, intended to introduce the ability to create, move, copy, or delete folders in group mailboxes, inadvertently contained a code dependency which resulted in users being unable to view email messages in specific groups.

Next update by : Monday, December 5, 2022, at 6:30 AM

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