Unable to Delete Files from Azure Storage Container

Hello Manth

Welcome to Microsoft Q&A Forum. Thanks for posting your query here!

I understand that your Unable to Delete Files from Azure Storage Container.

Further to my investigation i see that the error message you provided indicates the issue with the Shared Access Signature (SAS) used to access your Azure Blob Storage account.

The error Analysis Authentication Failed. The SAS is not correct or expired or does not have the correct permission DELETE. The response code is 403 indicating that the request is not authorized, and the error code is "Authorization Failure.

However, we recommend you follow the below Troubleshooting Steps to resolve the authorization failure and successfully delete the blob from your Azure Blob Storage issue.

1. Double-check the SAS generation process and ensure you are correctly constructing the SAS with the following elements (Storage account name/Resource URI (including container and blob name) Permissions (including "DELETE" for deletion), Start time and expiry time (if applicable) and use a SAS generator tool Consider using the Azure Storage Explorer or an online SAS generator tool to ensure your SAS is built correctly.
2. Check SAS Permissions and Confirm that the SAS includes the "DELETE" permission. Without this permission, you cannot delete blobs.
3. Validate SAS Expiration If your SAS has an expiry time, ensure it is still valid. Expired SAS tokens will result in authorization failures.
4. Review Code or Script If you are using code or a script to generate or use the SAS, carefully review the code for any errors or typos
5. Test with Storage Explorer and Try accessing and deleting the blob using the Azure Storage Explorer with the same SAS. This can help isolate whether the issue lies with the SAS itself or your code/script.
6. Regenerate SAS (if applicable) If you have control over the SAS generation, create a new SAS with the necessary permissions and expiry time.

Regarding firewall configuration we request you to carefully review the existing firewall rules on your storage account. Look for any rules that might be explicitly denying or restricting delete operations. If necessary, add a new firewall rule that specifically allows delete operations from the IP address range or subnet associated with your private endpoint.

Let me know if you have any further quarries we are here at your service!

Please let us know you have any further quires. We are here at your service and will be glad to assist you closely.