Microsoft Exchange Online Service Advisory
Microsoft reported an active Exchange Online service degradation that began at approximately 11:08AM EDT on 8/31/26. This is a Microsoft service incident (EX1464935) and is not related to ProCirrus infrastructure.
Based on Microsoft telemetry data, Exchange Online core mailflow and search functionality is recovering. Though, other services could still be inpacted.
For current information and inpacted Microsoft services for this incident, please refer to Microsoft's Service Health Status page.
