Bug 1139005

Summary: {RFE] KVM Hyper-V Enlightenment - "Virtual Machine Generation ID"
Product: Red Hat Enterprise Linux 7 Reporter: Ronen Hod <rhod>
Component: qemu-kvm-rhevAssignee: Gal Hammer <ghammer>
Status: CLOSED DUPLICATE QA Contact: Virtualization Bugs <virt-bugs>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.2CC: bcao, huding, juzhang, knoel, michen, virt-maint, vrozenfe, xfu
Target Milestone: rcKeywords: FutureFeature
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Hardware: Unspecified   
OS: Unspecified   
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Fixed In Version: Doc Type: Enhancement
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Last Closed: 2014-10-05 08:44:02 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Ronen Hod 2014-09-07 11:41:02 UTC 
See http://go.microsoft.com/fwlink/?LinkId=260709

This functionality is new to Hyper-V in Windows Server 2012 or Windows 8 and is designed to differentiate (security-wise) between instances of a VM that were generated using the exact same disk image / snapshot.
The implementation is based on a new hypervisor's device, that returns a 128-bit, cryptographically random integer value identifier that will be different every time the virtual machine executes from a different configuration file—such as executing from a recovered snapshot, or executing after restoring from backup.
Comment 1 Ronen Hod 2014-10-05 08:44:02 UTC 

*** This bug has been marked as a duplicate of bug 1118834 ***