How do I install an Enterprise Certificate Authority?

Start the Control Panel Add/Remove Programs applet.

Click Add/Remove Windows Components to start the Windows Components wizard.

Click Next when the welcome screen appears.

When the list of components displays, select the Certificate Services checkbox and click Next.

Then, you need to select the type. Types include the following:
Enterprise root CA
Enterprise subordinate CA
Standalone root CA
Standalone subordinate CA
Select Enterprise root CA, as the Screen shows, and click Next.
Click here to view image

Enter a CA name and other information about the organization, as the Screen shows. Click Next.

Accept the default location for the certificate database (i.e., %systemroot%System32CertLog). Click Next.

If Microsoft IIS is running, the service will stop and a dialog box will display. Click OK.

A list of files to copy will generate, and the files will install. Service and system configurations will also install. You might need to insert the Windows 2000 Server CD-ROM.

When the wizard completes, click Finish.