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VSS errors on Windows 2003 - Connect IT Community | Kaseya
<main> <article class="userContent"> <h2 data-id="summary"><strong>SUMMARY</strong></h2> <p>Resolve VSS backup errors with our windows agent</p> <h2 data-id="issue"><strong>ISSUE</strong></h2> <p></p> <p>Windows 2003</p> <p>Event Type: Error <br>Event Source: VSS <br>Event ID: 20 <br>Description: Volume Shadow Copy Service error: A critical component required by the Volume Shadow Copy Service is not registered. This might happened if an error occurred during Windows setup or during installation of a Shadow Copy provider. The error returned from CoCreateInstance on class with CLSID {faf53cc4-bd73-4e36-83f1-2b23f46e513e} and Name VSSEvent is [0x80040154].</p> <p>Event Type: Error <br>Event Source: VSS <br>Event ID: 20 <br>Description: Volume Shadow Copy Service error: A critical component required by the Volume Shadow Copy Service is not registered. This might happened if an error occurred during Windows setup or during installation of a Shadow Copy provider. The error returned from CoCreateInstance on class with CLSID {faf53cc4-bd73-4e36-83f1-2b23f46e513e} and Name VSSEvent is [0x80004002].</p> <p>Event Type: Error <br>Event Source: VSS <br>Event ID: 8193 <br>Description: Volume Shadow Copy Service error: Unexpected error calling routine CoCreateInstance. hr = 0x80040154.</p> <p>Event Type: Error <br>Event Source: VSS <br>Event Category: None <br>Event ID: 8193 <br>Description: Volume Shadow Copy Service error: Unexpected error calling routine CoCreateInstance. hr = 0x80004002.</p> <p>Event Type: Error <br>Event Source: VSS <br>Event ID: 12302 <br>Description: Volume Shadow Copy Service error: An internal inconsistency was detected in trying to contact shadow copy service writers. Please check to see that the Event Service and Volume Shadow Copy Service are operating properly.</p> <p>For more detailed information on backup failures and performance issues see <a rel="nofollow" href="/home/leaving?allowTrusted=1&target=https%3A%2F%2Funitrends-support.zendesk.com%2Fhc%2Fen-us%2Farticles%2F360013174757">Unitrends KB 5062 - Backup Failures and Performance Issues</a></p> <h2 data-id="resolution"><strong>RESOLUTION</strong></h2> <p></p> <p> Click <b>Start</b>, click <b>Run</b>, type <b>cmd</b>, and then click <b>OK</b>.</p> <p> Type the following commands at a command prompt. Press ENTER after you type each command.</p> <p><br><b>cd /d %windir%\system32</b><br><b>Net stop vss</b><br><b>Net stop swprv</b><br><b>regsvr32 ole32.dll</b><br><b>regsvr32 oleaut32.dll</b><br><b>regsvr32 vss_ps.dll</b><br><b>vssvc /register</b><br><b>regsvr32 /i swprv.dll</b><br><b>regsvr32 /i eventcls.dll</b><br><b>regsvr32 es.dll</b><br><b>regsvr32 stdprov.dll</b><br><b>regsvr32 vssui.dll</b><br><b>regsvr32 msxml.dll</b><br><b>regsvr32 msxml3.dll</b><br><b>regsvr32 msxml4.dll</b></p> <p><br><b>Note</b> The last command may not run successfully.</p> <p> Perform a backup operation to verify that the issue is resolved.</p> <h3 data-id="third-party-sources">Third-Party Sources</h3> <p><a rel="nofollow" href="/home/leaving?allowTrusted=1&target=http%3A%2F%2Fsupport.microsoft.com%2Fkb%2F940032">http://support.microsoft.com/kb/940032</a></p> </article> </main>