I'm getting several (2-4) of these error messages daily:

Event Type: Error
Event Source: VSS
Event Category: None
Event ID: 8194
Date: 12/22/2005
Time: 5:29:31 AM
User: N/A
Computer: VHADENFCLUA
Description:
Volume Shadow Copy Service error: Unexpected error querying for the
IVssWriterCallback interface. hr = 0x80070005.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 2d 20 43 6f 64 65 3a 20 - Code:
0008: 57 52 54 57 52 54 49 43 WRTWRTIC
0010: 30 30 30 30 30 37 38 35 00000785
0018: 2d 20 43 61 6c 6c 3a 20 - Call:
0020: 57 52 54 57 52 54 49 43 WRTWRTIC
0028: 30 30 30 30 30 37 35 35 00000755
0030: 2d 20 50 49 44 3a 20 20 - PID:
0038: 30 30 30 30 31 36 37 36 00001676
0040: 2d 20 54 49 44 3a 20 20 - TID:
0048: 30 30 30 30 33 30 38 34 00003084
0050: 2d 20 43 4d 44 3a 20 20 - CMD:
0058: 43 3a 5c 57 49 4e 44 4f C:\WINDO
0060: 57 53 5c 43 6c 75 73 74 WS\Clust
0068: 65 72 5c 63 6c 75 73 73 er\cluss
0070: 76 63 2e 65 78 65 20 20 vc.exe
0078: 2d 20 55 73 65 72 3a 20 - User:
0080: 56 48 41 31 39 5c 56 48 VHA19\VH
0088: 41 45 43 48 43 6c 75 73 AECHClus
0090: 41 64 6d 69 6e 20 20 20 Admin
0098: 2d 20 53 69 64 3a 20 20 - Sid:
00a0: 53 2d 31 2d 35 2d 32 31 S-1-5-21
00a8: 2d 32 30 36 30 35 39 36 -2060596
00b0: 35 38 39 2d 33 30 37 35 589-3075
00b8: 34 33 37 30 2d 31 35 34 4370-154
00c0: 32 38 34 39 36 39 38 2d 2849698-
00c8: 33 32 34 31 35 20 20 20 32415


Am running a 2-node Win2K3EntwSP1 (and all MicrosoftUpdate patches) cluster
with two virtual nodes in Active/Active. Using a XioTech Magnitude SAN,
QLogic 2310 HBA's, and CommVault Galaxy backup software.

What do I need to do, or, can I ignore this?

Thanks!