To import the certificate into the local computer store, follow these steps:

1. On the IIS 6.0 Web server, click Start, and then click Run.
2. In the Open box, type mmc, and then click OK.
3. On the File menu click Add/Remove snap-in.
4. In the Add/Remove Snap-in dialog box, click Add.
5. In the Add Standalone Snap-in dialog box, click Certificates, and then click Add.
6. In the Certificates snap-in dialog box, click Computer account, and then click Next.
7. In the Select Computer dialog box, click Local computer: (the computer this console is running on), and then click Finish.
8. In the Add Standalone Snap-in dialog box, click Close.
9. In the Add/Remove Snap-in dialog box, click OK.
10. In the left pane of the console, double-click Certificates (Local Computer).
11. Right-click Personal, point to All Tasks, and then click Import.
12. On the Welcome to the Certificate Import Wizard page, click Next.
13. On the File to Import page, click Browse, locate your certificate file, and then click Next.
14. If the certificate has a password, type the password on the Password page, and then click Next.
15. On the Certificate Store page, click Place all certificates in the following store, and then click Next.
16. Click Finish, and then click OK to confirm that the import was successful.