Exchange System Manager installation problem

I tried to install Exchange System Manager 2003 on my Windows Server box for a bit and am unable to find a solid solution.
I downloaded the tools but not work can some one help me ?

Thanks

Before you install the Exchange System Management Tools, you must complete the following steps, which are necessary to set up a management station:

1. Install Microsoft Windows XP Professional SP 1 or later on the workstation.
2. Join the workstation to the domain with Exchange 2003.
3. Install the Windows Administrative Tools Pack on the workstation.
4. Install the Simple Mail Transfer Protocol service (SMTPSVC) on the workstation.

Procedure

To install the Exchange System Management Tools

1. On the dedicated management workstation, insert the Exchange 2003 Setup CD into the workstation's CD drive, and then locate <drive>: \setup\i386\setup.exe.

2. On the Component Selection page, do the following:

• Under Component Name, locate Microsoft Exchange. In the corresponding Action column, select Custom.
  
• Under Component Name, locate Microsoft Exchange System Management Tools. In the corresponding Action column, select Install (see figure below).
• Microsoft Exchange System Management Tools installation option

3. Click Next, and continue with the wizard.