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Hyper-V 2012 r2 Clustering issue

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Hi All

We have the following issue and I just thought of why this could be happening

We are using a 3 node cluster with a witness disk

The problem is that the nodes in the cluster fail daily and its not a specific node it happens to any of them, but there is always 1 online thou

Here is the specs we are running :

*3 identical high end desktop hardware

*Server 2012 std R2

*ISCSI using free nas OS on a separate physical machine

*Teamed NIC's for Management, Clustering, ISCSI and Migration with weights defined

*9 VM's shared on this cluster between the 3

*The server have the exact same config except for the one server which is also running hyper-v with 1 vm which has our AD on

*Currently there is no backup software running for these VM's

*All the update have been done but no hot-fixes have applied

My theory why the system is crashing is because the 1 Host is running the AD VM on the HyperV which is different setup compared to the other servers.

Could this be the issue ?

Thanks




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