If Unified Messaging is installed on the server, add 500MB for each
language pack that will be installed. The Client Access, Hub Transport, Edge Transport, and Unified
Messaging roles do not store mailboxes, so disk sizing for these servers will be less than the mailbox
servers. However, remember that Hub Transport and Edge Transport servers will need space to queue
mail for the duration required to sustain an outage as well as enough space to store message tracking
and protocol logs. You will want to take these factors into consideration when finalizing your disk layout
for these server roles.
All disk volumes should be formatted as NTFS, the screen resolution needs to be a minimum
of 800 600, and you will need a DVD - ROM drive to access the installation media. If there isn ??™ t a
DVD - ROM drive you can make the install bits available on a network drive.
The following list summarizes requirements:
??‘ Processor:
??‘ Intel processor that supports the Intel Extended Memory 64 Technology (Intel EM64T)
(The Intel Itanium IA64 processors are not supported)
??‘ AMD processor that supports the AMD64 platform
??‘ Memory:
??‘ Minimum: 2 gigabytes (GB) of RAM
??‘ Recommended: 2GB of RAM per server plus 5 megabytes (MB) of RAM per mailbox
??‘ Page File:
??‘ Equal to the amount of RAM in the server plus 10MB
??‘ Disk Space:
??‘ At least 1.
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