Can you see quarantined messages via the Get-QuarantineMessage cmdlet? If not, check your Service Health Dashboard for any reported issues and open a support case to report this, as needed.
defender 365 - no data available
mara2021
1,121
Reputation points
Exchange Online Quarantine is showing "no data available". Data became unavailable yesterday afternoon (11/7/2023). Affecting all admins. Is there a Microsoft problem? What can I check on my end? Thanks.
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,178 questions
Accepted answer
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Vasil Michev 119.6K Reputation points MVP Volunteer Moderator
2023-11-08T16:25:19.6733333+00:00