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AzureSDE-3924 asked MarileeTurscak-MSFT answered

Does a system assigned managed identity work across multiple regions?

We are exploring Azure managed identities to secure communications between Azure functions and Azure sql. A question came up on whether the same setup would still work should the Azure function or SQL have to fail over to a different regional datacenter. I have not been able to find the info anywhere. Before we engage our DevOps to setup testing for this scenario, I was wondering if anyone knows the answer to the question. Thank you.

azure-managed-identity
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MarileeTurscak-MSFT answered

According to the FAQ, it's only supported for user-assigned since with system assigned each region would have to create its own identity since it's tied to the resource itself. https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/managed-identities-faq

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