VSS error - Windows 2003 conversion

Hello Folks ,

I am trying to do a P2V using stand alone converter but I am getting following errors.

Unable to create a VSS snapshot of the source volume(s). Error code: 2147549183 (0x8000FFFF).

I have tried following steps . still no Luck

=> Nt backup is working fine

=> No unallocated space in hard disk

=> Defragmentation done

=> Chkdsk done

=> Installed the convertor locally on the system and tried the conversion still no luck.

=> followed steps under - Error message when you run the "vssadmin list writers" command on a Windows Server 2003-based computer: &quot…

Any help is much appreciated .

Thanks in Advance ..

Shashi