Microsoft Advertising experienced a delay of up to 21 hours in Share of Voice (SOV) reporting data starting August 21, 2026, at 4:00 PM UTC, lasting approximately 12.4 hours. The issue affected reporting data across the Web UI, Reporting API, and Reporting Data, causing users to see stale or inaccurate performance metrics. Ad delivery was not impacted, and the incident was limited to reporting functionality only.
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