Unable to delete backup from disk with Powershell script before backup starts

[dk-one]

Given is a backup called "USB backup", the repository is simply called "USB".

This backup takes place once a weekend on a USB drive. Before the backup starts, it should simply delete the backup from the previous week.

I created a Powershell script that I run directly from the backup task (USB Backup => Storage => Advanced => Scripts => Run the following script before the job).

The Powershell script has the following content:

Code: Select all

Get-VBRBackup -Name "USB-Backup" | Remove-VBRBackup -FromDisk -Confirm:$false

When I call the script as admin via Powershell, it deletes the backup from the previous week.

However, when I start the backup job, Veeam says the job ran correctly, but the previous week's backup is not deleted.

I've already put the whole thing into a batch file but without success.

What am I doing wrong?

[david.domask]

Hi dk-one,

The pre-job script should run under the same account as the Backup Service, which by default is SYSTEM; can you add some logging just to catch maybe like an access denied that might be happening, but printing whoami and a few try/catch statements I think will help figure out if it's about permissions.