Census incident

Microsoft Advertising Sync Failures

Minor Resolved View vendor source →

Census experienced a minor incident on May 21, 2026, lasting —. The incident has been resolved; the full update timeline is below.

Started
May 21, 2026, 05:00 PM UTC
Resolved
May 21, 2026, 05:00 PM UTC
Duration
—
Detected by Pingoru
May 21, 2026, 05:00 PM UTC

Update timeline

  1. resolved May 22, 2026, 12:24 AM UTC

    Syncs to Microsoft Advertising temporarily experienced failures with an error message like "OAuth2::Error: invalid_client" from approximately 05/21/2026 17:00 UTC - 05/21/20206 23:19 UTC. This error was the result of the Activations Microsoft Advertising app configuration and it has now been resolved. Any impacted syncs will recover on their next scheduled run.