I have one GW2012-PO-Server on w2008r2 with 5 POs and 700 Mailboxes in my GW-System. The Server runs VMware vSphere 4.x and a iSCSI-SAN at the backend.

I need tuning tips or best practices for my PO-Server to speed him up. On rush-hour the delays on the clients can be up to 1-5 Seconds.

Help @ Andreas