VSS Writer Timeout (code 2419)
Applies To: Windows Server 2003
Situation
A Hyper-V backup plan terminates with the following error: VSS Error. VSS Writer Timeout (code 2419)
The event log contains the following ID: 12340
Cause
This issue may occur due to the VSS system files are not registered.
Solution
Note that in some cases several VSS errors can occur at the same time, and the recommendations described below may not be helpful
Follow Microsoft best practices to work around the case. Refer to the Various issues may occur on a Windows Server 2003-based computer that's running the Volume Shadow Copy Service chapter at docs.microsoft.com.
Also, refer to Event ID 12297 — VSS Shadow Copy Creation and Storage Space Availability chapter at docs.microsoft.com.