SHD / MC Checker

[serviceDegradation] EX1467029 | Exchange Online | Users may experience delays receiving email messages from external domains in Exchange Online



EX1467029 | Exchange Online | Users may experience delays receiving email messages from external domains in Exchange Online

Status serviceDegradation
Classification incident
User Impact Users may experience a delay in receiving email messages from external domains in Exchange Online.
Last Updated 09/04/2026 10:36:39
Start Time 09/04/2026 10:19:12
End Time
Latest Message Title: Users may experience delays receiving email messages from external domains in Exchange Online

User impact: Users may experience a delay in receiving email messages from external domains in Exchange Online.

More info: Users may experience intermittent “Server busy” errors, affecting multiple mailboxes.

Current status: We’re reviewing service monitoring telemetry to isolate the source of the issue and establish a fix.

Scope of impact: This issue impacts users who may be attempting to receive email messages from external domains in Exchange Online. This information may be updated as our investigation continues.

Next update by: Friday, September 4, 2026, at 12:30 PM UTC