Google experienced a major incident on September 18, 2026 affecting Google Ad Manager and Google Ad Manager (global), lasting 1h 25m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 18, 2026, 12:50 AM UTC
We're investigating reports of an issue with Google Ad Manager. We will provide more information shortly. The affected users are able to access Google Ad Manager, but are seeing error messages, high latency, and/or other unexpected behavior. Google Ad Manager Reporting (both UI and API) is currently experiencing data delays. Data Transfer is unaffected.
- resolved Sep 18, 2026, 02:17 AM UTC
The problem with Google Ad Manager has been resolved. We apologize for the inconvenience and thank you for your patience and continued support. The affected users are able to access Google Ad Manager, but are seeing error messages, high latency, and/or other unexpected behavior. Google Ad Manager Reporting data is refreshing as expected again.