Home > SharePoint 2010 > Unexpected Error has occurred when starting SharePoint Search Service, VSS Error, Event ID 8193

Unexpected Error has occurred when starting SharePoint Search Service, VSS Error, Event ID 8193

Server OS: Windows Server 2008 R2 environment
Error: When the Office Search Service tries to start, the content access account tries to access the VSS registry key and fails due to lack of permissions.


SharePoint Error:
 Starting the office search service using NET START OSEARCH causes SharePoint 2010 to throw “An unexpected Error has occurred”. Checking the event logs shows a VSS error with Event ID 8193.
Event ID: 8193 VSS Error

Solution: Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\VSS\Diag. Right Click on Diag and select Permissions and give your search account or content access account (in my case spsearch) full control permissions and click Apply. Restart the Office Search Service via command line: NET START OSEARCH or NET START OSEARCH14

VSS Error with Event ID: 8193
Volume Shadow Copy Service error: Unexpected error calling routine RegOpenKeyExW(-2147483646,SYSTEM\CurrentControlSet\Services\VSS\Diag,…). hr = 0x80070005, Access is denied.

Context:
Writer Class Id: {35500004-0201-0000-0000-000000000000}
Writer Name: SPSearch4 VSS Writer
Writer Instance ID: {6e255da6-fe1a-4ef1-a18d-87ac504494e9}

Binary Data:
0000: 6F43202D 203A6564 52474552 43534745
0008: 30303030 36353130 6143202D 203A6C6C
0010: 52474552 43534745 30303030 39323130
0018: 4950202D 20203A44 30303030 38343934
0020: 4954202D 20203A44 30303030 30383535
0028: 4D43202D 20203A44 5C3A4322 676F7250
0030: 206D6172 656C6946 6F435C73 6E6F6D6D
0038: 6C694620 4D5C7365 6F726369 74666F73
0040: 61685320 5C646572 20626557 76726553
0048: 45207265 6E657478 6E6F6973 34315C73
0050: 4E49425C 73736D5C 63726165 78652E68
0058: 20202265 20202020 7355202D 203A7265
0060: 656D614E 4544203A 54454E56 7370735C
0068: 63726165 53202C68 533A4449 352D312D
0070: 2D31322D 39363533 36353339 372D3734
0078: 31313736 38313234 3737312D 30303935
0080: 2D343737 39313131

In Bytes

0000: 2D 20 43 6F 64 65 3A 20 – Code:
0008: 52 45 47 52 45 47 53 43 REGREGSC
0010: 30 30 30 30 30 31 35 36 00000156
0018: 2D 20 43 61 6C 6C 3A 20 – Call:
0020: 52 45 47 52 45 47 53 43 REGREGSC
0028: 30 30 30 30 30 31 32 39 00000129
0030: 2D 20 50 49 44 3A 20 20 – PID:
0038: 30 30 30 30 34 39 34 38 00004948
0040: 2D 20 54 49 44 3A 20 20 – TID:
0048: 30 30 30 30 35 35 38 30 00005580
0050: 2D 20 43 4D 44 3A 20 20 – CMD:
0058: 22 43 3A 5C 50 72 6F 67 “C:\Prog
0060: 72 61 6D 20 46 69 6C 65 ram File
0068: 73 5C 43 6F 6D 6D 6F 6E s\Common
0070: 20 46 69 6C 65 73 5C 4D Files\M
0078: 69 63 72 6F 73 6F 66 74 icrosoft
0080: 20 53 68 61 72 65 64 5C Shared\
0088: 57 65 62 20 53 65 72 76 Web Serv
0090: 65 72 20 45 78 74 65 6E er Exten
0098: 73 69 6F 6E 73 5C 31 34 sions\14
00a0: 5C 42 49 4E 5C 6D 73 73 \BIN\mss
00a8: 65 61 72 63 68 2E 65 78 earch.ex
00b0: 65 22 20 20 20 20 20 20 e”
00b8: 2D 20 55 73 65 72 3A 20 – User:
00c0: 4E 61 6D 65 3A 20 44 45 Name:SERVICEACCOUNTNAME, S
00d8: 49 44 3A 53 2D 31 2D 35 ID:S-1-5
00e0: 2D 32 31 2D 33 35 36 39 -21-3569
00e8: 39 33 35 36 34 37 2D 37 935647-7
00f0: 36 37 31 31 34 32 31 38 67114218
00f8: 2D 31 37 37 35 39 30 30 -1775900
0100: 37 37 34 2D 31 31 31 39 774-1119

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Categories: SharePoint 2010
  1. October 19, 2011 at 7:47 am

    Thanks for this post. Its working for me now but in my case it did not help to grant right to the content access account but to the search service account.

  1. December 14, 2011 at 8:31 pm

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