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Intermittent request failures and increased latency across Azure OpenAI, Azure AI Foundry, and Cognitive Services

ResolvedmajorUnverified reportFirst recorded update Sep 29, 2026, 10:00 AM · Resolved Sep 30, 2026, 10:00 AM

Impact Statement: Starting at 10:00 UTC on 29 September 2026, a subset of customers using OpenAI Service, Foundry Agent Service, Foundry Models, and Cognitive Services, in Sweden Central may experience intermittent request failures, increased latency, and HTTP 5XX error codes when submitting requests to affected models and APIs hosted in this region. Current Status: Currently we are monitoring improvements in the overall experience. Initial findings indicate that a backend service which is relied on to retrieve metadata information when managing requests for this region, was experiencing...

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