Assume that you have a Windows Vista-based or Windows Server 2008-based virtual machine that is running on a VMware host server. You try to back up the system state of the virtual machine by running the following command:
When this issue occurs, the following message that relates to the failed format operation of the virtual hard disk (VHD) is logged in the WBDiag trace log:
wbadmin start systemstatebackup -backupTarget: volume name -quiet
In this scenario, the backup operation randomly fails. Additionally, the following event is logged in the Application log:Additionally, you receive an error message that resembles the following:There was a failure in preparing the backup image of one of the volumes in the backup set. Failed to format media.
When this issue occurs, the following message that relates to the failed format operation of the virtual hard disk (VHD) is logged in the WBDiag trace log: