[Resolved] Zix - Microsoft 365 - Users may be unable to access Outlook on the web - March 19th 2025

Zix - Microsoft 365 - Users may be unable to access Outlook on the web

Resolved - Update from Microsoft:

Microsoft successfully reverted the problematic code change and verified the issue has been remediated through customer confirmation and service health telemetry.

Mar 20, 12:56 UTC

Update - Update from Microsoft:

Microsoft identified a portion of code which is throwing an error. Microsoft is working to revert the recent code change and reviewing data from the reproduction to determine any additional next steps.

Mar 19, 19:12 UTC

Investigating - Microsoft 365 is currently experiencing an issue with some users unable to access OWA. Microsoft is working to resolve the issue.  We appreciate your patience.

Tracking Number: EX1036356

Initial update from Microsoft:

Microsoft is investigating a potential issue with Exchange Online and checking for impact to your organization. Microsoft will provide an update within 60 minutes.

More info:

Users encounter a "Something went wrong" error.

Mar 19, 18:38 UTC