Microsoft Advertising experienced a UET Conversions Data delay issue starting June 2, 2026, at 11:49 PM UTC, lasting 25.5 hours. The incident caused conversion data to be delayed by up to 5 hours, affecting users accessing performance data through the web UI, reporting API, and standard reports with stale or inaccurate information. Ad delivery remained unaffected throughout the incident, with only reporting functionality impacted.
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