Data Protection Manager (DPM) – Scheduled Jobs Fail to Run

This is one of the most frustrating issues to come across as DPM will happily tell you it’s working perfectly fine unless you notice your most recent backup time doesn’t quite look right, especially as most of the time you’re going to spot this when you need to do a restore. But all is not lost, let’s get on to fixing it.

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DPM could not execute a WMI query. The query either returned an error or an empty result – Error 33507

So I recently came across this issue after rolling out Trend to a new Data Protection Manager (DPM) instance whereby I couldn’t create new protection groups as it was generating the following error –

Create protection group: ###### System failed:
Error 33507: DPM could not execute a WMI query. The query either returned an error or an empty result.
Recommended action: Retry the operation.

Luckily it proved to be a fairly simple issue to resolve.

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Microsoft Data Protection Manager (DPM) – How to Remove Old Backups (PowerShell)

So Microsoft DPM software is a pretty decent backup solution, but it does have a nasty tendency to not remove old backups correctly even if retention policies are set. This can happen for a multitude of reasons that I won’t go into.

This article is going to very quickly go over how you can remove backups outside of a certain time frame.

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