Microsoft Exchange VSS writer is missing or not enabled.

  • Article ID:100003517
  • Last Published:
  • Product(s):Backup Exec


VSS writer failures may occur when Backing up Exchange 2003, 2007 and 2010 as running 'VSSADMIN LIST WRITERS' shows no available Microsoft Exchange VSS writer.

Error Message

E000FED1 - A failure occurred querying the Writer status.


To enable to Microsoft Exchange VSS writer:


Warning: Incorrect use of the Windows registry editor may prevent the operating system from functioning properly. Great care should be taken when making changes to a Windows registry. Registry modifications should only be carried-out by persons experienced in the use of the registry editor application. It is recommended that a complete backup of the registry and workstation be made prior to making any registry changes.

DWORD: Disable   Exchange   Writer

If its there and set to 1, set it to 0 and restart the Exchange Information Store Service. [Please note, when you restart this service, users will be disconnected from Exchange].

Note: If the registry key is not there, create the value and set it to 0.

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