Time Sync - Hyper V clients in a cluster

How can I disable Time Synchronisation from Host on all my Virtual machines being controlled within a cluster on Hyper-V and SCVMM R2. I untick 'Time Synchronisation' in Integration Services\Hyper-v but the tick box just reappears which I think is something to do with being in a cluster?

My domain time server is synching with the 'VM IC Time Provider' rather than my choosen external source.
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PeteAsked:
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msmamjiCommented:
Did you have a look at this
http://social.technet.microsoft.com/Forums/en-US/winserverhyperv/thread/d4d65433-8da6-4e67-8811-541a9ad22848

I haven't test this myself, but there is something promising here too. Caution: it involves registry changes which I think you should test first if you can. On plus is that it is from microsoft guys themselves.
http://blogs.technet.com/chrad/archive/2009/08/28/fighting-hyper-v-physical-host-time-drift-utilizing-ntp-to-synchronize-clocks.aspx

Regards,
Shahid.
PeteAuthor Commented:
It is a bug in SCVMM, if I made the change to disable time integration from within Cluster Manger the change is retained.
 

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msmamjiCommented:
Glad to hear that. I would suggest keeping the thread without assigning points or 0 points, so if anyone else runs into this, this would be helpful.

Regards,
Shahid.
msmamjiCommented:
mybad, i misread you comment. You already have asked to close the thread.
apologizies once again.
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