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Use Azure portal to add Azure Cosmos DB service principal

  • บทความ

For successful deployment into an existing virtual network, Azure Managed Instance for Apache Cassandra requires the Azure Cosmos DB service principal with a role (such as Network Contributor) that allows the action Microsoft.Network/virtualNetworks/subnets/join/action. In some circumstances, it may be required to add these permissions manually. This article shows how to do this using Azure portal.

Add Azure Cosmos DB service principal

  1. Sign in to the Azure portal.

  2. Navigate to the target virtual network in your subscription, select the access control tab, and click on add role assignment:

    Add role assignment

  3. Search for the Network Contributor role, highlight it, then select the members tab:

    Add Network Contributor

    Note

    You do not need to have a role with permissions as expansive as Network Contributor, this is used as an example for simplicity. You can also create a customer role with narrower permissions, as long as it allows the action Microsoft.Network/virtualNetworks/subnets/join/action

  4. Ensure that User, group, or service principal is selected for Assign access to, and then click Select members to search for the Azure Cosmos DB service principal. Select it in the right hand side window:

    Select Azure Cosmos DB service principal

  5. Click on the Review + assign tab at the top, then click the Review + assign button at the bottom. The Azure Cosmos DB service principal should now be assigned.

    Review and assign

Next steps

In this article, you learned how to assign the Azure Cosmos DB service principal with an appropriate role to a virtual network, to allow managed Cassandra deployments. Learn more about Azure Managed Instance for Apache Cassandra with the following articles: