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Using Hardware Load Balancer - for Exchange 2010 CAS Array

We currently have two Exchange 2010 CAS Servers in a Exchange 2010 CAS Array using Windows 2008 R2 NLB.  We are planning to move to a A10 Hardware Load Balancer for the CAS Array.  We want to make this esay so we are keeping the same Virtual IP address for the hardware load balancer.

In order to make this happen all I have to do is disable the Windows NLB  for the current CAS Array?
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JimmyRiverside
Asked:
JimmyRiverside
1 Solution
 
S00007359Commented:
In theory yes. Where are the Load balances, in private network or DMZ?

arp tables on network devices may need to be refreshed as well.

cheers
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Jian An LimSolutions ArchitectCommented:
make sure you set the static port for exchange if not your hardware load balancer will have some issues

https://social.technet.microsoft.com/wiki/contents/articles/864.configure-static-rpc-ports-on-an-exchange-2010-client-access-server.aspx
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MaheshArchitectCommented:
yes, you need to delete windows NLB and configure HLB
This will interrupt your service for some time until you configure HLB
Also you need to configure SSL offloading on CAS servers and need to install your CAS certificate on hardware load balancer

Check below series for more info
http://www.msexchange.org/articles-tutorials/exchange-server-2010/high-availability-recovery/load-balancing-exchange-2010-client-access-servers-using-hardware-load-balancer-solution-part1.html

Mahesh
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