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    MS Exchange

    also, i always install OS on SATA and keep raid/scsi for data files, forgot to mention, check smtp as well, many mail bombers try smtp ports for sending out bulk mails. and stop all ports which you dont use, i always block 80, 25 and 21 on mail servers
  2. A

    MS Exchange

    i would suggest that you create virtual memory (8GB), apply some tweaks, disable all services you dont required, block all un-required incoming ports, adjust the priority of ms exchange process. check for incoming traffic, i guess you are receiving a lot of DDOS attempts, or login failures...