Microsoft Exchange Online Service Advisory
Microsoft has reported an active Exchange Online service degradation that began at approximately 8:53 AM Pacific today.
Users may experience:
- Delays or failures sending or receiving email
- Intermittent issues accessing Microsoft 365 email services
- Authentication errors when accessing Exchange Online
- Intermittent mailbox or message delivery issues
This is a Microsoft service incident (EX1464935) and is not related to ProCirrus infrastructure.
Microsoft's remediation efforts remain underway, and an estimated timeline for full service restoration has not yet been provided.