SocketLabs incident
Microsoft - Exchange Online Errors
Minor Ongoing
SocketLabs is currently experiencing a minor incident, which began 1h ago. The vendor's full update timeline is below.
Update timeline
- identified Sep 04, 2026, 12:27 PM UTC
We are monitoring reports of "Server busy" errors from Microsoft recipients. This issue has been identified by Microsoft (EX1467029), affecting users who may be attempting to send and receive email messages from external domains in Exchange Online. We will update when more information is available.