Forum Discussion
Patrick_Brown_7
Nimbostratus
NimbostratusiApp with 11.4.1 and Exchange 2010
Hey All,
I'm working with my messaging team on an Exchange 2007 to 2010 migration. We have built two 2010 multi-role servers. Each server is MBX, CAS, and Transport. I have an F5 LTM up front wi...
Patrick_Brown_7Nimbostratus
NimbostratusWe made a lot of progress on this. We ended up deploying with dedicated RPC CAS ports. This made the health monitoring much better. We also know that a service failing is very different that someone shutting down a server. We did a lot of testing on this. We would stop various Exchange services or shutdown NICs. F5 did the job perfectly. The only way users ever saw an auth prompt was if the admin shutdown the CAS server without first downing it in LTM. The Exchange team now knows and accepts this as normal. Drain-stopping the node before maintenance is now part of the standard procedure.
--Patrick Brown
Sam_HallThat's really the only option since Exchange 2010 requires persistent connections per session (it's not really very load balancer friendly).
