I have a case open with Microsoft on a 2012 DC. They want a dmp file. I made a snapshot to include the VM memory. I ran the vmss2core tool but can not get the dmp file to create. I also tried the -W8 option with the same results.
I am able to create the vmss.core file using the -M option
C:\2012 issue>vmss2core_win.exe -W VM12S-DCTEST-Snapshot153.vmsn
vmss2core version 3156346 Copyright (C) 1998-2013 VMware, Inc. All rights reserved.
region: start=0 end=c0000000.
region: start=100000000 end=140000000.
Cannot recognize Windows VM.
Error parsing Windows data.
Cannot create memory.dmp
Finished writing core.