ERROR:
Backup Status
Operation: Backup
Active backup destination: File
Media name: "test.bkf created 7/4/2010 at 11:46"
Volume shadow copy creation: Attempt 1.
Error returned while creating the volume shadow copy:0x8004231f.
Error returned while creating the volume shadow copy:8004231f
Aborting Backup.
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The operation did not successfully complete.
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SOLUTION:
1. STOP "Windows Management Instrumentation" Service.
2. c:\windows\system32\wbem
rename repository folder
3. START "Windows Management Instrumentation" Service.
4. check the repository folder is created or not.
5. if not created
my computer , rught click , wmi control , properties , check system name is showing or not.
6. run ntbackup, if not working c:\properties\ shadow copies-> enable
7. Check NTBACKUP is working or Not.