Perform a full backup on Exchange to purge logs

1. Open Command prompt as Administrator
2. Launch Diskshadow

A.Add volume d:
B.(optional, add one line for each additional drive to include) Add volume X:
C.Begin Backup
D.Create
E.End Backup

3. At this step you should notice the following events in the application log indicating that the backup was indeed successful and logs will now be deleted.

Here’s some screenshots from the process:

Command promptdiskshadow

Event Logese-event-id-2005