Some users in the United Kingdom may be unable to sign-in to Microsoft Teams using iOS or macOS

Title: Some users in the United Kingdom may be unable to sign-in to Microsoft Teams using iOS or macOS User impact: Users in the United Kingdom may be unable to sign-in to Microsoft Teams using iOS or macOS. Final status: We've determined that this issue is a duplicate of another event. Please look for further updates in MO1470143. This communication will expire in 24 hours.

Title: Some users in the United Kingdom may be unable to sign-in to Microsoft Teams using iOS or macOS User impact: Users in the United Kingdom may be unable to sign-in to Microsoft Teams using iOS or macOS. Current status: We're continuing our review of service monitoring telemetry to determine our next troubleshooting steps. Scope of impact: Impact is specific to some users attempting to sign-in to Microsoft Teams using iOS or macOS in the United Kingdom. Next update by: Thursday, September 10, 2026, at 12:30 PM UTC

Title: Some users in the United Kingdom may be unable to sign-in to Microsoft Teams using iOS or macOS User impact: Users in the United Kingdom may be unable to sign-in to Microsoft Teams using iOS or macOS. Current status: We're reviewing service monitoring telemetry to isolate the root cause and develop a remediation plan. Scope of impact: Impact is specific to some users attempting to sign-in to Microsoft Teams using iOS or macOS in the United Kingdom. Next update by: Thursday, September 10, 2026, at 10:30 AM UTC