Event ID 20 — Volume Shadow Copy Service Operations

Applies To: Windows Server 2008

The Volume Shadow Copy Service (VSS) provides the ability to create a point in time image (shadow copy) of one or more volumes that can be used to perform backups. The service is also used during restores of applications.

Event Details

Product: Windows Operating System
ID: 20
Source: VSS
Version: 6.0
Message: Volume Shadow Copy Service error: The Volume Shadow Copy infrastructure cannot be used during Safe Mode. %1


Ensure that the computer is running in normal mode

You should check whether your computer is running in safe mode. If it is in safe mode, restart it in normal mode.

When your computer is in safe mode, you will see the words Safe Mode in the corners of the display. To exit safe mode, restart your computer and let Windows start normally.


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 is started:

  1. Click Start, point to Administrative Tools, and then click Services.
  2. In the results pane, double-click Volume Shadow Copy.
  3. In Service status, make sure that the status is Started. If the status is not Started, click Start.
  4. Make sure Startup type is set to Manual.
  5. Click OK.

Volume Shadow Copy Service Operations

File Services