Microsoft 365 Alert : Service Degradation – Exchange Online – Microsoft has detected a number of mailboxes that have exceeded or are at risk of reaching their quota limit – RESOLVED
29/08/2022 17:42:00 PM (BST)
Microsoft Reference : EX421807
Issue Status : RESOLVED
Issue Description : User(s) that exceed the quota limits may be unable to send or receive messages or meeting invites.
More Info : User(s) that exceed the quota limits may be unable to send or receive messages or meeting invites.
Final Update : 05/09/2022 17:32:00 PM – Microsoft is suspending the investigation of this issue as they haven’t noticed any corrective actions taken by your organization for more than 7 days.