HELP - Backup failing on one VM - the writer experienced a non-transient error

[TwistedHelixis]

The other day I setup a new 2019 server VM on the host, installed SQL express and a couple of other items, but the host is having problems backing up the VM.

 

 

The past few nights it has failed on just this new VM (the DC VM backs up OK), giveing the error - the writer experienced a non-transient error, in Windows backup on the host.

 

 

Yesturday I manually ran the backup during the day and that did work.

 

 

I can see the following error in event logs

Source = SPP

Event ID = 16387

Writer Microsoft Hyper-V VSS Writer experienced some error during snapshot creation.

 

 

Please any help would be great.

[TwistedHelixis]

i have just noticed that the SIMS Discover Data transfer tool was set to run just after the backup was set to start. I have just changed the time Discover Data transfer starts.

 

Do you think this might have caused the issue?

[TwistedHelixis]

The backup worked last night :-)

[mikemcsharry]

There's a possibility that as the backup was starting (the initialise bit can take a while) then the SIMS thingie probably kicked in. So even though SIMS started after the backup start it actually came in dring the initialise phase and broke something.

I've seen your follow on note and meant to reply to that one .. just having a senior moment