Software⏱️ 3 min read📅 2026-06-04

How to Fix: Azure Blob Storage "Authorization Permission Mismatch" error for get request with AD token

Azure Blob Storage Authorization Permission Mismatch error for get request with AD token

Quick Answer: The issue is likely due to the Azure Blob Storage permission settings not being correctly configured. Ensure that the storage account has the necessary permissions set for the service principal or user account used in your application.

📋 Table of Contents

  1. ⚠️ Common Causes
  2. 🚀 How to Resolve This Issue
  3. 💡 Conclusion

The 'Authorization Permission Mismatch' error in Azure Blob Storage occurs when the access token provided does not have the required permissions to perform the requested operation. This issue affects developers who are using Azure Blob Storage with AD tokens, including those building Angular 6 applications.

This error can be frustrating as it prevents users from accessing their stored data and can cause delays in development and testing. However, by following these steps, you should be able to resolve this issue and continue working on your application.

⚠️ Common Causes

  • The primary reason for the 'Authorization Permission Mismatch' error is that the access token provided does not have the required permissions to perform the requested operation. This can happen if the token has a limited set of permissions or if it is not properly configured.
  • An alternative reason for this error could be that the Azure Blob Storage account has different permissions configured in the Azure portal compared to what is being used in the application.

🚀 How to Resolve This Issue

Using the Azure AD v2.0 endpoint

  1. Step 1: To resolve this issue, you need to use the Azure AD v2.0 endpoint instead of the v1.0 endpoint for authentication.
  2. Step 2: You can do this by updating your application's configuration to use the v2.0 endpoint and also ensure that the correct permissions are being requested in the token request.
  3. Step 3: For example, if you're using the `ClientCredential` method, make sure to include the required permissions in the `scopes` parameter of the token request.

Configuring Azure Blob Storage permissions

  1. Step 1: Alternatively, you can configure the Azure Blob Storage permissions directly within the Azure portal.
  2. Step 2: To do this, go to your Azure Blob Storage account and navigate to 'Permissions' under the 'Access control' section.
  3. Step 3: From there, you can add or remove permissions as needed to resolve the authorization mismatch error.

💡 Conclusion

By following these steps, you should be able to resolve the 'Authorization Permission Mismatch' error in Azure Blob Storage and continue working on your application. Remember to test your application thoroughly after making any changes to ensure that the issue is resolved.

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