Smartsheet outage: Investigating errors using Login with Microsoft

Affected components

• Single Sign On ( Company Credentials )

1. postmortemNov 18, 2025, 20:51 UTC

   Beginning on October 29th, 2025, from 8:41AM PDT, users experienced Azure/Microsoft login issues. The issue occurred due to a 3rd party authentication service provider. This was resolved by 5:05PM PDT.

2. resolvedOct 30, 2025, 01:24 UTC

   This incident has been resolved.

3. monitoringOct 29, 2025, 23:22 UTC

   A fix has been implemented and we are monitoring the results.

4. identifiedOct 29, 2025, 19:58 UTC

   Azure has identified the issue and is working on a resolution (https://azure.status.microsoft/en-us/status).

5. investigatingOct 29, 2025, 16:56 UTC

   We are currently investigating some customer reports of an Authentication error with Microsoft due to an active Azure incident (https://azure.status.microsoft/en-us/status).

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Smartsheet's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Confluent Cloud: Degraded Flink statements in AzureMajor · Oct 29, 2025, 16:55 UTC
• Mux: Investigating elevated playback errors on Chrome version 141.0.7390.123 and laterMinor · Oct 23, 2025, 14:16 UTC
• Confluence: Degraded performance of Atlassian cloud sites for some customersMinor · Oct 29, 2025, 06:47 UTC
• 1Password: Some Trelica users experiencing issuesMinor · Oct 29, 2025, 18:20 UTC

How often does Smartsheet have incidents?

Smartsheet reported 10 incidents in the last 90 days, 8 of them major or critical. A typical incident lasted 3h 33m. See Smartsheet's uptime and incident history