1) Click Start, point to Administrative Tools, and then click Server Manager.
2) In the Server Manager hierarchy pane, expand Roles, and then click Web Server (IIS).
3) In the Web Server (IIS) pane, scroll to the Role Services section, and then click Add Role Services.
4) On the Select Role Services page of the Add Role Services Wizard, select ASP.
5) If the Add role services required by ASP dialog box appears, click Add Required Role Services. (This page appears only if you have not already installed the ISAPI Extensions role service on your server.)
6) On the Select Role Services page, click Next.
7) On the Confirm Installation Selections page, click Install.
8) On the Results page, click Close.