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The Power of Managed Identities in Azure

Koen Verbeeck waxes about managed identities:

This however presented me with the opportunity to review what users were actually necessary in the ETL. Turns out, not that many. In many cases, one Azure resource (for example, an Logic App) can use a managed identity to access another Azure resource (such as an Azure SQL DB). For those of you not familiar with the concept, a managed identity is basically a service principal in Azure AD with the same name as your resource. If your Azure Data Factory instance is called myADF, you’ll have an entry in AAD with the name myADF (it’s very much alike the SQL Server service account used on-premises). You can then assign role permissions to this managed identity.

Read on to see how you can use these managed identities to grant permissions without having to set (or reset or store) passwords.