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Windows 2008 R2 NLB issue

Posted on 2011-09-22
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Last Modified: 2012-05-12
I have 2 - 2008 R2 Virtual servers (VMware) setup for load balancing.  Both dual nics..One nic for network and the other for the NLB cluster:
---------  App1 (.188 address) and App2 (.190 address).
When you RDP to 188 (App1), it actually connects to 190 (App2).
If you RDP to 188 (App1) when 188 (App1) is off, it will not connect to anything
If you RDP to 188 (App1) when 190 (App2) is  off it will correctly connect to 188 (App1)

Any ideas?
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Question by:Beachhaus
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Author Comment

by:Beachhaus
ID: 36578850
For some reason, I dont understand why I am not able to create an RDP session to each server to install the apps.  You can RDP to the cluster IP (.192) but just not able to connect to each one independently as I'm having the problem described in the question.  Just not making any sense, but this is the first time I've worked with NLB/clustering so I'm hoping it is just something stupid I'm missing or if I just need to break the cluster and redo it.   Thought I'd check with you experts first.....
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Accepted Solution

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Greg Hejl earned 2000 total points
ID: 36586319
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Author Closing Comment

by:Beachhaus
ID: 36587624
Come to find out a terminal session broker was causing the issue because NLB was running in multicast mode.  Since Greg_Hejl was the only one to offer any help I'll award the points to him.  Thanks for the links through....Case closed.
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