Title: Some users may be unable to create or publish Microsoft Teams town hall or webinar events that include guest users User impact: Users may be unable to create or publish Microsoft Teams town hall or webinar events that include guest users. Current status: We're reviewing service monitoring telemetry to isolate the source of the issue and establish a fix. Scope of impact: Impact is specific to some users attempting to create or publish Microsoft Teams town hall or webinar events that include guest users. Next update by: Wednesday, July 29, 2026, at 9:30 AM UTC
Title: We're investigating a potential issue with Microsoft Teams User impact: Users are reporting issues joining Microsoft Teams meetings. Current status: We're investigating a potential issue which is preventing users from joining Microsoft Teams meetings and/or is causing disconnections, and we're checking for impact to your organization. We'll provide an update within 30 minutes.
Title: Investigating user reports of Microsoft 365 issues User impact: We don't have detail on impact yet. We're seeing an increase in user reported issues above our alerting threshold. Current status: We are reviewing service telemetry and available information to determine if there is an issue happening and we'll update this message shortly with our latest findings. This communication serves as a preliminary notification about a potential issue affecting your service. We'll provide an update in 30 minutes.
Title: Potential issues accessing mailboxes via one or more connection methods User impact: Users may experience errors or failures when accessing their mailbox via one or more Exchange Online connection methods. Current status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within 60 minutes.
Title: Potential issues accessing SharePoint Online sites User impact: Users may be unable to access SharePoint Online sites and may notice delays or navigation errors. Current Status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within one hour.
Title: Users' SharePoint Online document libraries and list views using multiple group filters aren't displaying full results User impact: Users' SharePoint Online document libraries and list views using multiple group filters aren't displaying full results. More info: Specifically, impacted users report that document libraries and list views using both Primary and Secondary grouping don't display the full or expected results. Current status: We're investigating a potential issue with SharePoint Online and checking for impact to your organization. We'll provide an update within 30 minutes.
Title: Some users are intermittently unable to access the Microsoft 365 suite portal User impact: Users are intermittently unable to access the Microsoft 365 suite portal. More info: Access eventually times out with an error message stating, "Bad Request - Header Field Too Long. HTTP Error 400. A request field is too long." Current status: We're investigating a potential issue with intermittent failures when accessing the Microsoft 365 suite portal and checking for impact to your organization. We'll provide an update within 30 minutes.