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Azure SQL Database – Subnet delegation enforcement for managed instances

Published date: 01 April, 2020

Deploying Azure SQL Database managed instances to non-delegated subnets will be retired on 1 May 2020. After that date, you’ll only be able to deploy managed instances to subnets delegated to the Microsoft.Sql\managedInstance resource provider.

Learn how to enable subnet delegation on managed instance subnets.

Deploying managed instances to an empty subnet

  • If you’re deploying managed instances through the Azure portal, everything is already set for you.
  • If you’re deploying managed instances using PowerShell, check this sample for help with tailoring your scripts.
  • If you prefer using ARM templates, read this article for guidance.

Deploying managed instances to a subnet already containing them

To delegate a subnet already containing a managed instance to the Microsoft.Sql\managedInstance resource provider, follow these instructions.

On 1 July 2020, all remaining subnets containing managed instances will be automatically delegated to the managed instance resource provider.

  • Azure SQL Database
  • Management
  • Retirements

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