Smartsheet incident

Investigating errors using Login with Microsoft

Major Resolved View vendor source →

Smartsheet experienced a major incident on October 29, 2025 affecting Single Sign On ( Company Credentials ), lasting 8h 28m. The incident has been resolved; the full update timeline is below.

Started
Oct 29, 2025, 04:56 PM UTC
Resolved
Oct 30, 2025, 01:24 AM UTC
Duration
8h 28m
Detected by Pingoru
Oct 29, 2025, 04:56 PM UTC

Affected components

Single Sign On ( Company Credentials )

Update timeline

  1. investigating Oct 29, 2025, 04:56 PM 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).

  2. identified Oct 29, 2025, 07:58 PM UTC

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

  3. monitoring Oct 29, 2025, 11:22 PM UTC

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

  4. resolved Oct 30, 2025, 01:24 AM UTC

    This incident has been resolved.

  5. postmortem Nov 18, 2025, 08:51 PM 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.