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Exchange 2016 Resource Specs

Simple opinion We have 6 Exchange 2016 servers 3 in prod site and 3 in DR site.
1 IPLess DAG
850 mailboxes
5 2TB DBs
Each prod server has either 1 or max 2 active DBs but all servers have passive copies of all DBs
Each server has 4 (2 sockets 2 cores) CPUs vmware
42 GB RAM
SAN Storage for all DBs and TLOGS
Plenty of available HDD space on C:

I just want to see if you all think those resources are pretty good for that setup. Not experiencing issues or anything, but just curios about what you guys think about those specs. Just a simple opinion no need to point me to the Exchange Server calculator or anything.

ASKER CERTIFIED SOLUTION

Todd Nelson

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Todd Nelson

Personally, I would never implement databases that large even though 2TB or less is a best practices for HA. I wouldn't do it because recovery/maintenance can be a nightmare even with 500 GB DBs.

If you have a third site that is well-connected, put the witness server there.

Don't forget to manually set the page file (initial and max) to amount of RAM + 10MB. In your case, with 42 GB of RAM per server, there is a limit of a 32 GB page file, which should be 32778 MB. And do not set the allocated memory on the VMs to dynamic.

References...

timgreen7077

ASKER

page file is manually set and on a separate drive other than c:
with that being said what do you think about the specs.

SOLUTION

mbkitmgr