SRV 2012 R2, Event 157, Disk x has been surprise removed
OS: Server 2012R2, English, Domain Controller Event: 157 Error: Disk x has been surprise removed This is mostly due a Backup Software (Event Windows Backup) which uses VSS-Snapshot. There seems to be no file corruption or loss of Storage. http://social.technet.microsoft.com/Forums/en-US/9feed539-493a-4fbe-9c75-d5619bedc2a9/disk-0-has-been-surprise-removed-eventid-157?forum=windowsserverpreview http://blogs.msdn.com/b/ntdebugging/archive/2013/12/27/event-id-157-quot-disk-has-been-surprise-removed-quot.aspx In our case we had Windows Backup running and it was VSS disconnecting
