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How To Fix Problems With Error 8193 In Windows 2008



VSS EventID 8193 is a known error that is typically associated with the installation of the DHCP role on a server running Windows Server 2008 (or later), which causes the Network Service account to have permissions under the HKEY_LOCAL_MACHINE SYSTEM registry key. CurrentControlSet Services loses VSS Diag.



  • 2 minutes read.
  • This article describes an issue in which you will receive Event ID 8193 if you restart the Cryptographic Services service with the DHCP role installed.

    Original product version: Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
    Original Knowledge Base Number: 2298620

    First Determine The Cause Of The Error Condition, Then Contact The Appropriate Vendor

    This event indicates that an unexpected volume Shadow Copy Service (VSS) error has occurred.

    To resolve this error, you must use Event Viewer to determine the cause, and then contact the vendor who created the Vdata security application that uses VSS. You also need to make sure VSS is enabled.

    You must be a member of Administrators, or have permission to perform these procedures.

    Open Event Viewer and view events related to VSS Requestor Applications.

    error 8193 windows 2008

    To open the ViewerSee events and view events related to VSS requestor applications:

    1. Click Start, Run, type eventvwr.msc and click OK. If the User Account Control dialog box appears, make sure the displayed action is the one you want and click Next.
    2. In Event Viewer, expand Windows Logs and click Application.
    3. To filter events so that only VSS-sourced events are displayed, click in the Actions pane under Filter Current Log. On the Filter tab, in the Event Sources drop-down list, select the VSS check box. Select other options as needed, then click OK.
    4. Click the Date and Time column heading to sort events by date and time.
    5. View events with date and date similar to this event.
    6. Click the associated event, then click Event Log Online Help at the bottom of the General tab.
    7. Follow the instructions to resolve the error. If the error cannot be cleared, refer to the post The person whose application caused the error. If the vendor is Microsoft, contact Microsoft Customer Support and Technical Support. More information is available at http://go.microsoft.com/fwlink/?LinkId=102491. You must publish the entire event log message as it appears in the event viewer.

    Check if VSS is enabled

    To make sure VSS is enabled:

    1. Click Start, select Administrative Tools and click Services.
    2. Double-click Volume Shadow Copy in the results pane.
    3. Make sure the Startup type is set to Manual.
    4. Click OK.


    Customer has contacted Microsoft Support to request this agent to be recommended

    http://support.microsoft.com/kb/940184 And fix:


    Applies to

    Windows Server 2003 R2 Enterprise Edition
    NetBackup Enterprise Server 6.5