0x800423f4 VSS failure prevents backup

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0x800423f4 VSS failure prevents backup

Postposted on Sun Apr 01, 2012 12:06 pm

OK, so WIndows has gotten complex enough that I don't really know what's going on anymore. At least I still know how to use the Event Viewer! I didn't do anything, my backups suddenly stopped working with this error, and backups have previously succeeded with less free space on the target drive than this. I'm running Windows 7 SP1, any idea what to do?

Code: Select all
A VSS writer has rejected an event with error 0x800423f4, The writer experienced a non-transient error.  If the backup process is retried,
the error is likely to reoccur.
. Changes that the writer made to the writer components while handling the event will not be available to the requester. Check the event log for related events from the application hosting the VSS writer.

Operation:
   Freeze Event

Context:
   Execution Context: Writer
   Writer Class Id: {afbab4a2-367d-4d15-a586-71dbb18f8485}
   Writer Name: Registry Writer
   Writer Instance ID: {16446886-68a3-4bca-b14b-71760dd6aebf}
   Command Line: C:\Windows\system32\vssvc.exe
   Process ID: 6648
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Re: 0x800423f4 VSS failure prevents backup

Postposted on Sun Apr 01, 2012 12:45 pm

Question: Is the drive you want to backup marked as active within Windows? When I was dual booting Linux and Windows, I had Linux manage boot and all of that stuff. Prevented me from making backups with VSS failed error.
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Re: 0x800423f4 VSS failure prevents backup

Postposted on Sun Apr 01, 2012 12:50 pm

No, it's not. I just marked it active, and it still failed with the same error. This shouldn't be relevant anyway, active just means bootable, right? there's no OS on that drive
Mothership: Thuban 1055T@3.7GHz, 12GB DDR3, M5A99X EVO, GTX470+Icy Vision Rev.2@840/3800, Vertex 2E 60GB
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Re: 0x800423f4 VSS failure prevents backup

Postposted on Sun Apr 01, 2012 1:52 pm

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Re: 0x800423f4 VSS failure prevents backup

Postposted on Sun Apr 01, 2012 2:18 pm

Looking at the date of the article, I didn't have high hopes. I was not disappointed. EDIT: But I rebooted, and it worked! WTF?

It works fine until regsvr32 /i swprv.dll, then Windows says "The module swprv.dll was loaded but the call to DllRegisterServer failed with error code 0x80070715". Same for eventcls.dll. es.dll: module was loaded but the entry-point DllRegisterServer was not found. vssui.dll doesn't exist. All msxml dlls don't exist.
Mothership: Thuban 1055T@3.7GHz, 12GB DDR3, M5A99X EVO, GTX470+Icy Vision Rev.2@840/3800, Vertex 2E 60GB
Supply ship: Sargas@2.8GHz, 12GB DDR3, M4A88TD-V EVO/USB3
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