Event ID 19090 — Operations

Updated: April 7, 2009

Applies To: Windows Server 2008

This is preliminary documentation and subject to change.

This aspect refers to events relevant to storage that may occur during normal operations on the virtual machine.

Event Details

Product: Windows Operating System
ID: 19090
Source: Microsoft-Windows-Hyper-V-VMMS
Version: 6.0
Message: '%1' background disk merge has been interrupted. (Virtual machine ID %2)


Resolve interrupted merge operation

The snapshot merge operation was interrupted. This is usually because .avhd file is in use. To merge the .avhd file to the parent, turn off the associated virtual machine.

A snapshot in Hyper-V is a file-based snapshot of the state, disk data, and configuration of a virtual machine at a specific point in time.

For more information about snapshots, see http://go.microsoft.com/fwlink/?LinkId=147648.


The operation that lead to the failure now completes successfully.