Hyper-V Guest VM cluster communication problems

By |2017-12-07T12:06:14+00:00August 28th, 2013|Azure, Cloud, Windows|0 Comments

Hi All,

Recently had an issue at a customer whereby a two node windows server 2012 file server cluster would fail to communicate with the passive node when that node was moved to another hyper-v host in the hyper-v cluster.

When both virtual machines were on the same node, they communicated fine.

After copious amounts of troubleshooting this issue turned out to be a new Windows Server 2012 feature; the failover clustering filter driver that gets added to the virtual NIC that is bound to a hyper-v switch.

Full details and fix here 🙂



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