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Exchange 2013 -Load Balancing

Posted on 2016-10-13
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in Exchange 2010 you can load balance CAS servers, without resorting to 3rd Pary hardware Load Balancing, as described on this Link below:
http://exchangeserverpro.com/exchange-server-2010-cas-array/

 I wonder if the same thing can apply to Exchange 2013, or you you will have to resort to  Load Balancer ?

Thanks
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Question by:jskfan
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Jason Crawford earned 2000 total points
ID: 41843059
Exchange 2013 does not require a hardware load balancer although it is part of the preferred architecture:

https://blogs.technet.microsoft.com/exchange/2014/04/21/the-preferred-architecture/

In fact, due to the new stateless functionality of the 2013 CAS role, you can even get away with public DNS round robin for quasi-load balancing.  This method obviously won't help if there is an issue with a specific vDir, but it will direct traffic in the instance the WAN IP is unreachable.
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Author Comment

by:jskfan
ID: 41865283
So why companies use Hardware Load-Balancing for Exchange
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by:Jason Crawford
ID: 41865308
Performance, granular control, and it's Microsoft's recommendation.
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Author Closing Comment

by:jskfan
ID: 41888501
Thank you
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by:Jason Crawford
ID: 41889149
Glad I could help.  Take care :)
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