Backup failed with an internal error.

Kent Lee 1 Reputation point


i got follow msg:

Follow the instructions at and retry the backup operation. If it fails further, please contact Microsoft support.

We have identified that your backup operation failed because of the extension state.
Recommended Steps
To resolve ExtensionCommandExecFailure issue perform the below:

Update Reg-key value, run the below command from elevated (as administrator) command-prompt:

REG ADD "HKLM\SOFTWARE\Microsoft\BcdrAgent" /v IsProviderInstalled /t REG_SZ /d False /f

Rename the C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.WindowsAzure.Storage to C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.WindowsAzure.Storage.old

Triggered a manual backup

but tried command above still fail..

Azure Virtual Machines
Azure Virtual Machines
An Azure service that is used to provision Windows and Linux virtual machines.
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  1. kobulloc-MSFT 23,181 Reputation points Microsoft Employee

    Hello, @Kent Lee !

    Thank you for reaching out. I'll message you directly to get this resolved.