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Cannot connect to the rpc service on computer hyper-v 2008 r2

There are times when you run failover cluster manager and are trying to connect to VMs on other nodes in your cluster and get the following error:

 

cannot connect to the rpc service on computer

the error does detail the hostname but you cannot connect to it.  In most cases this issue is caused by multiple DNS entries on your dns server.

the fix this issue do the following:

  • make sure you have only one dns entry per cluster node
  • most cluster nodes have multiple NICs, in the advanced tcp/ip settings of ipv4 make sure to uncheck (as seen below) reigster this connections address in DNS for all NICs that shouldnt be registered.  keep in mind you only want one of your NICs to register

2016-05-29_15-35-29

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