IT IS UP TO THE EXCHANGE ADMINISTRATOR TO DETERMINE THE RESOURCE...

2000. It is up to the Exchange administrator to determine the resource

requirements.

Exchange 2000 Resource

Minimum Requirements

As a starting point, Microsoft recommends the following minimum

requirements:

■

Pentium 133 MHz with 128 MB RAM

■

Windows 2000 Service Pack 1

■

700 MB hard disk space (200 MB is required for the system

disk, and 500 MB is required for the disk where you install

Exchange)

This product can be installed

on a system with or without the Exchange 2000 (Server or

Enterprise Server) installed. Microsoft minimally recommends the

following:

■

Pentium 133 MHz with 128 MB RAM

■

Windows 2000 Service Pack 1

■

15 MB of hard disk space (5 MB is required on the system disk

and 10 MB is required on the disk where you install Exchange)

Recommended Requirements

Server sizing is an art form that comes from years of working with servers,

understanding their architecture, working with operating systems, charac-

terizing transactions, and more. In lieu of performance analysis and server

sizing, you are advised to have at least the following for your Exchange

2000 Servers.

■

Pentium 300MHz or higher

■

256MB RAM for a small Exchange server, 512MB RAM for up to a

few hundred users, and 1GB RAM for larger Exchange servers.

Windows 2000 will require the first 128MB at a minimum.

■

Review of OEM and industry benchmark reports for external

peripheral subsystems as well as for dual or quad CPU systems.

■

Utilization of multiple SCSI drives ( internal and external).

■

Log of performance numbers against RAM, CPU, and IO on your

Exchange 2000 Server for a while. If appropriate, consider getting

a dual or quad CPU system.

Exchange 2000 Licensing

Refer to your local Microsoft representative for exact licensing require-

ments. When purchasing Exchange Server, you need to purchase a license

for each server on which you are going to install Exchange 2000. Next, you

must purchase a license for every client that is going to access the

Exchange Server. The client license is called a Client Access License (CAL).

If you are going to install Exchange on five Exchange servers to support