On Oct 28, 2004, at 12:29 PM, Hoa V Nguyen wrote:

Hi gurus,

Our NT guys have issues to backup NT 2003 with following errors
messages:

10/24/2004 18:44:24 CreateSnapshotSet(): AddToSnapshotSet() returns
hr=VSS_E_UNEXPECTED_PROVIDER_ERROR
10/24/2004 18:44:26 ANS1950E Backup via Microsoft Volume Shadow Copy
failed.  See error log for more detail.

I would appreciated you folks shed some light please.

We have opened a PMR 60173,370 with IBM regarding the windows 2003 TSM
client errors,but didn't hear any good news yet.

How about the IBM site explanations for VSS_E_UNEXPECTED_PROVIDER_ERROR
...
Did they come close to matching your problem situation?