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smp_86112's avatar
smp_86112
Icon for Cirrostratus rankCirrostratus
Dec 07, 2011

LTM Sizing for Exchange 2010

I am being asked to provide load-balancing in support of an Exchange 2010 implementation. I was wondering if there are any published guidelines on how to decide which hardware platform to use? Is ther...
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casey_tomlinson's avatar
casey_tomlinson
Icon for Nimbostratus rankNimbostratus
Dec 07, 2011
We run around 30,000 Exchange 2003 mailboxes on a old LTM 3400. I imagine a 1600 would probably probably be able to handle the load just fine. Don't be sold on the SSL TPS for just Exchange use. I also host 130,000 Exchange 2007 mailboxes on a pair of 6900s. Our sustained SSL TPS hovers around 4-500, bursting to around 2-3,000 if we perform a failover.