Hey Howyii, Did you manage to get to the bottom of this issue? we are having similar problems with one of our hyper-v servers. it is 2008 R2 Datacenter with SP1. Each tim I try to launch a package for testing it just basically shuts down the guest vm and spits out that error message... Error 1627 reverting virtual machine to snapshot AutoRepack_Base I cant find anything else in google about this. thanks, JD ... View more