Duplicate names on TCP and master browser

I have a network where one machine (ws3)  is displaying " A duplicate name has been detected omn the tcp network" and I cannot find any duplicate names for the offending machime. using nbtstat -n.

Now interestingly the ip address the error points to is the master browser server (se1) and I am getting entries in the eventlog that state the Machine (ws3) in is trying to force an election.

Could the duplicate name be master browser?

Furthermore this was happening yesterday with another PC  (ws2) at the time I tried a rebbot of the offending machine (ws2) this cleared it off that machine , but at the same time started on this machine (ws3)
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David WallAsked:
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ABLComputersCommented:
Are you using Load balance on these machines or do they carry dual NICs?
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David WallAuthor Commented:
The dc certainly does and is teamed the machies that are causing the issues are just single nics!
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ABLComputersCommented:
The load balance feature is not configured correctly on your server. Try disconnecting one NIC on the server and see if the problem persist.

My experiences with this error is because of Load Balancing.  
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David WallAuthor Commented:
went back to site this week load balancing was setup correctly, problem seems to have disappeared, which is annoying !  All machines had been powered down for electrical maintenance earlier in the week.

Perhaps all it needed was reset off all machines.

Thanks for help anyway!
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