Tag Archives: hardware load balancer

Load balancing Exchange 2010 (Part I)

During TechEd 2010 in Berlin Ross Smith IV from Microsoft suddenly announced that Microsoft recommends using a hardware load balancer for Exchange Server 2010 instead of using Windows Network Load Balancing. You can check the presentation online on Channel9: http://channel9.msdn.com/Events/TechEd/Europe/2010/UNC311.

NLB has some known issues when it comes to Exchange Server 2010 like scalability issues, lack of service awareness, a full reconnect of all clients when adding or removing a new NLB member and only the option of Source IP for persistence.

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