# Modifying Authentication for Azure Data Lake Storage Gen2

You can change the authentication method of an existing Azure Data Lake Storage Gen2 object storage repository.

## Procedure

1. From the Command Center navigation pane, go to Protect > Object storage.

   The Object storage instances page appears.

2. Click an Azure Data Lake Storage Gen2 instance.

3. On the Configuration tab, in the General area, click Edit.

   The Edit object storage page appears.

4. From the Authentication list, select Access key and Account Name or IAM AD application, or choose Connect using managed identities for Azure resources.

   - If you select Access key and Account Name, complete the following steps:

     1. Do one of the following:

        - From the Credential list, select the credentials that you are going to use.

        - To add credentials to the Credential Manager, click the plus button (+).

          The Add Credential dialog box appears.

          1. Enter the following information:

             - Credential name: Enter a name for the credentials that you are creating.

             - Account name: Enter the name of the Azure Data Lake Gen2 Storage account.

             - Access key ID: Enter the access key ID of the Azure Data Lake Gen2 Storage account.

             - Description: Enter a description of the credentials

          2. From the Access node list, select an access node for the object storage.

          3. Click Save.

     2. Click Save.

   - If you select Connect using managed identities for Azure resources, complete the following steps:

     1. In the Azure storage account name box, enter the name of the Azure Data Lake Storage Gen2 account.

     2. From the Access node list, select an access node for the object storage.

     3. Click Save.

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