ClickHouse Cloud incident: New service provisioning may fail in Azure

1. resolvedJun 2, 2026, 21:19 UTC

   Service provisioning is working, but some users may intermittently see an error message stating: _“This service name is already in use.”_ This error is transient. If you encounter it, please refresh the page -your service should still be provisioning and will become visible shortly. We are working with Microsoft Azure to fully resolve the underlying issue.

2. identifiedMay 29, 2026, 21:12 UTC

   Azure confirmed the issue is related to an ongoing backend DNS zone migration. The issue is transient but we are working with Azure team to find a resolution to this issue.

3. investigatingMay 28, 2026, 18:26 UTC

   Due to extremely slow response time for some API calls to Azure infrastructure, new service provisioning may timeout before Cloud Control Plane or OpenAPI request gets response.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in ClickHouse Cloud's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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How often does ClickHouse Cloud have incidents?

ClickHouse Cloud reported 16 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 2h 28m. See ClickHouse Cloud's uptime and incident history