Hi, how can we help you?

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.