Microsoft 365 Alert – Service Degradation – Exchange Online – Users may be unable to utilize the flag feature in Item view in Outlook on the web – RESOLVED

26/04/2023 09:00:00 AM (GMT)

NHSmail Reference : INC35512102

Microsoft Reference : EX545580

Issue Status : RESOLVED

Issue Description : Users may be unable to utilize the flag feature in Item view in Outlook on the web.

More Information : Users may be unable to utilize the flag feature in Item view in Outlook on the web.

Final Update : 26/04/2023 09:00:00 AM – Microsoft have confirmed that the fix deployment is complete and determined via telemetry that this issue is resolved. Affected users may need to clear their cache and restart Outlook on the web to experience impact resolution. 

Scope of impact : Any users attempting to utilize the flag feature in Item view in Outlook on the web were impacted.

Root cause : A recent update to the flag feature in Outlook on the web contained a code regression, resulting in impact.

Next steps : Microsoft are reviewing their validation and update procedures to detect and prevent issues like this prior to deployment in the future.

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