Im getting this error every 8 min...
A duplicate name has been detected on the TCP network.
The IP address of the machine that sent the message is in the data.
Use nbtstat -n in a command window to see which name is in the Conflict state.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
There is one service group with MS SQL. This error is only shown on one node. The Cluster is a Windows Server with SFHA 5.0 Rp1a
Thanks in advance
Are you sure someone actually isn't using that IP somewhere on the network? If you have some down time scheduled, shutdown the SQL service group, and then see if you can ping that same IP on the network. If it's out there, then go find out who or what is bringing it up, since you shouldn't have duplicate IPs.