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Windows NLB cluster

Hi Team,

I have server A and server B running in windows NLB cluster ,running exchange 2013 CAS roles,anti virus is runing on server A and not installed on server B,the cluster IP is currently getting connected to server A which has anti virus.
For troubleshooting an issue i want to make the server B active to confirm if anti virus is casuing the issue,but the problem is even if i restart server A ,server B becomes the active node only untill server A restarts sucessfully,once server A is up it becomes the active node again,how do i make node B active?
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Bradley Fox
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Thanks for your response ,but why can't i make a node active when i reboot the other
It should be using a round robin to assign nodes when both are active; when one goes down it will detect it is down and only send traffic to the other node.  Depending on how you have your affinity set; once you are assigned a server it may send you to that server every time unless it is unavailable.

From the description in your question it looks like it is working as intended.  When you reboot server a it sends you to server b until server a is available again.

See the link below for more information on Affinity.
https://technet.microsoft.com/en-us/library/bb687542.aspx