VSS Misery

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VSS Misery

Postby Scott on Thu May 06, 2010 4:14 pm

I'm using SFFS 5.0 preview on WinXP Pro SP3. I have SFFS configured to use VSS only for locked files. Whenever VSS is needed, I get errors in the event log:

Failed to create/reset the MS DTC log file.

Volume Shadow Copy Service error: Unexpected error CreateFileW(\\?\Volume{b095ba20-3d61-11df-b8d0-806d6172696f},0xc0000000,0x00000003,...). hr = 0x80070020.

Rebooting doesn't help. Running "msdtc -resetlog" doesn't help.

MSDTC, NtmsSvc, SwPrv, VSS, and WmiApSrv are all set to Manual, which they all default to on WinXP Pro SP3.

I am using TrueCrypt 6.3a to encrypt my entire disk. The list of TrueCrypt known issues includes this blurb:

The Windows Volume Shadow Copy Service is currently supported only for partitions within the key scope of system encryption (for example, a system partition encrypted by TrueCrypt or a non-system partition located on a system drive encrypted by TrueCrypt). Note: For other types of volumes, the Volume Shadow Copy Service is not supported because the documentation for the necessary API is available from Microsoft only under a non-disclosure agreement (which is impossible to comply with because TrueCrypt is open source).

Since the SFFS source drive in my case is "a non-system partition located on a system drive encrypted by TrueCrypt", it should work.

I've spent hours screwing around in Google and on Microsoft's site looking for answers to fix this. Before getting to the point I'm at, I had more and worse errors--my screwing around seems to have improved matters, but it still doesn't work (if that makes a damned bit of sense). I don't know what else to do. Advice would be appreciated.
Scott
 
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Re: VSS Misery

Postby superflexible on Thu May 06, 2010 4:24 pm

I haven't heard of that error. There have been no reported VSS problems with SFFS for many months now. My advice is to install Windows 7.
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Re: VSS Misery

Postby Scott on Thu May 06, 2010 7:44 pm

Upgrading to Win7 is not an option for me. Thanks anyway.
Scott
 
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Re: VSS Misery

Postby d033e22ae348aeb5660fc2140aec35850c4da997 on Fri May 07, 2010 3:46 pm

I found this batch file, you can try it. It has worked for us in the past.

**************** FixVSS.cmd ****************

cd /d %windir%\system32
Net stop vss
Net stop swprv
regsvr32 ole32.dll
regsvr32 oleaut32.dll
regsvr32 vss_ps.dll
vssvc /register
regsvr32 /i swprv.dll
regsvr32 /i eventcls.dll
regsvr32 es.dll
regsvr32 stdprov.dll
regsvr32 vssui.dll
regsvr32 msxml.dll
regsvr32 msxml3.dll
regsvr32 msxml4.dll

Pause
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