Microsoft Advertising experienced a major incident starting June 16, 2026, at 7:03 PM UTC, where Share of Voice (SOV) data was delayed by up to 21 hours across the Reporting API, Reporting Data, and Web UI. Users encountered stale or inaccurate performance data in reports, the UI, and via the API, though ad delivery was not impacted. The incident lasted approximately 11.6 hours before resolution.
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