http://blogs.technet.com/m2/archive/2008/07/04/how-to-get-the-bios-guid-from-a-hyper-v-vm.aspxHi all, the below vbscript (save as sample.vbs and execute using "cscript.exe sample.vbs"), will give you a list of all VMs in a hyper-v system as well as their respective BIOS GUIDs. This can help in troubleshooting VMM 2008 beta for the cases whereen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/m2/archive/2008/07/04/how-to-get-the-bios-guid-from-a-hyper-v-vm.aspx#3124942Wed, 17 Sep 2008 01:13:36 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3124942John Howard - Hyper-V and virtualization blog<p>When managing a large number of virtual machines, there is often a need to tag it in some way with one</p>