May 2026: 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 experienced issues where users encountered error messages, high latency, and unexpected behavior while accessing the service. Third-party audience segments incorrectly displayed as inactive status despite no manual changes being made to them. The incident lasted 5 hours with no workaround available during the outage period.