Auth errors with Azure BLOB in v1.70.0+ #8694
Description
The associated forum post URL from https://forum.rclone.org
https://forum.rclone.org/t/new-auth-errors-in-azure-blob-with-rclone-1-70/51997
What is the problem you are having with rclone?
Rclone 1.70.0+ new authentication errors with Azure BLOB Storage, including v1.70.3
Rolling back to v1.69.3 runs successfully.
Run the command 'rclone version' and share the full output of the command.
rclone v1.70.3
- os/version: ubuntu 22.04 (64 bit)
- os/kernel: 6.8.0-1029-azure (x86_64)
- os/type: linux
- os/arch: amd64
- go/version: go1.24.4
- go/linking: static
- go/tags: none
Are you on the latest version of rclone?
Yes.
Which cloud storage system are you using? (eg Google Drive)
Azure BLOB Storage
The command you were trying to run (eg rclone copy /tmp remote:tmp)
rclone sync --retries=1 -P sourceaccount:containername targetaccount:containername --exclude='_*'
The rclone config contents with secrets removed.
What is the problem you are having with rclone?
Rclone 1.70.0+ new authentication errors with Azure BLOB Storage, including v1.70.3
Rolling back to v1.69.3 runs successfully.
Run the command 'rclone version' and share the full output of the command.
rclone v1.70.3
- os/version: ubuntu 22.04 (64 bit)
- os/kernel: 6.8.0-1029-azure (x86_64)
- os/type: linux
- os/arch: amd64
- go/version: go1.24.4
- go/linking: static
- go/tags: none
Are you on the latest version of rclone?
Yes.
Which cloud storage system are you using? (eg Google Drive)
Azure BLOB Storage
The command you were trying to run (eg rclone copy /tmp remote:tmp)
rclone sync --retries=1 -P sourceaccount:containername targetaccount:containername --exclude='_*'
The rclone config contents with secrets removed.
Storage account names replaced with generic names:
[sourceaccount]
type = azureblob
account = ***
account = sourceaccount
key= ***
[targetaccount]
type = azureblob
key= ***
[targetaccount]
type = azureblob
account = ***
account = targetaccount
key= ***
A log from the command with the -vv flag
2025/07/17 21:49:37 ERROR : request_01K0D524SMR0YV1XBYJ5FGA57V.json: Failed to copy: single part copy: copy blob: PUT https://sourceaccount.blob.core.windows.net/containername/request_01K0D524SMR0YV1XBYJ5FGA57V.json
--------------------------------------------------------------------------------
RESPONSE 403: 403 This request is not authorized to perform this operation.
ERROR CODE: CannotVerifyCopySource
--------------------------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?><Error><Code>CannotVerifyCopySource</Code><Message>This request is not authorized to perform this operation.
RequestId:********-****-****-****-************
Time:2025-07-17T21:49:37.6543453Z</Message><CopySourceStatusCode>403</CopySourceStatusCode><CopySourceErrorCode>AuthorizationFailure</CopySourceErrorCode><CopySourceErrorMessage>This request is not authorized to perform this operation.</CopySourceErrorMessage></Error>
How to use GitHub
- Please use the 👍 reaction to show that you are affected by the same issue.
- Please don't comment if you have no relevant information to add. It's just extra noise for everyone subscribed to this issue.
- Subscribe to receive notifications on status change and new comments.