Bob,
This is what I got running the GPT snap.
[Warning]
From: SMISA@wkfntddpcm81.dev.lz.com "SMISA" Time: 9/9/2013 8:46:55 AM
[236:2504] Disk \\.\PHYSICALDRIVE1 is resolved as Windows GPT Disk (unsupported type).
But then the backup went just fine. So I guess the request from my end is to officially certify that the darn thing works and support it.