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Event ID 8229 — VSS Writer Operations

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Applies To: Windows Server 2008 R2

Volume Shadow Copy Service (VSS) writers are applications or services that store persistent information in files on disk and that provide the names and locations of these files to requesters by using the shadow copy interface.

Event Details

Product: Windows Operating System
ID: 8229
Source: VSS
Version: 6.1
Symbolic Name: VSS_WARNING_WRITER_EVENT_FAILED
Message: A VSS writer has rejected an event with error %1. Changes that the writer made to the writer components while handling the event will not be available to the requester. Check the event log for related events from the application hosting the VSS writer. %2

Resolve

Retry the operation and restart the writer if necessary

This event indicates a problem with a Volume Shadow Copy Service (VSS) writer.

To perform this procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.

Retry the operation and restart the writer

To retry the operation and restart the writer:

  1. Retry the backup or restore operation that caused the error condition.
  2. If this does not resolve the issue, restart the service or process that hosts the writer, and retry the operation.
  3. If this does not resolve the issue, open Event Viewer as described in the "Open Event Viewer and view events related to VSS" section and look for events related to the service or process that hosts the writer. If necessary, restart the service or process, and retry the operation.
  4. If this does not resolve the issue, restart the computer, and retry the operation.
  5. If restarting the computer does not resolve the issue, provide the Event Viewer information to the vendor whose application is indicated in the event text.

To open Event Viewer and view events related to VSS:

  1. Click Start, click Run, type eventvwr.msc, and then click OK. If the User Account Control dialog box appears, ensure that the action it displays is what you want, and then click Continue.
  2. In Event Viewer, expand Windows Logs, and then click Application.
  3. To filter the events so that only events with a Source of VSS are shown, in the Actions pane, click Filter Current Log. On the Filter tab, in the Event sources drop-down list, select the checkbox for VSS. Select other options as appropriate, and then click OK.
  4. To sort the displayed events by date and time, in the center pane, click the Date and Time heading.

Verify

To verify that the Volume Shadow Copy Service (VSS) writers are operating correctly, perform the following procedure, and then retry the previous VSS operation.

To perform this procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.

To verify that the Volume Shadow Copy Service (VSS) writers are operating correctly:

  1. Open an elevated Command Prompt window. Click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
  2. Type vssadmin list writers, and then press Enter.
  3. Ensure that all writers are in the Stable state and are operating without errors.

For more information about the vssadmin command, see https://go.microsoft.com/fwlink/?LinkId=103401.

VSS Writer Operations

File Services