Installing root and intermediate certificates

Perform this procedure for both the root certificate and one or more intermediate certificates.

1. Open the Microsoft Management console:
   1. Open a Command Prompt window.
   2. Enter mmc, and then press Enter.
2. Select File > Add/Remove Snap-in.
   The Add or Remove Snap-ins dialog box appears.
3. From the list of available snap-ins, select Certificates.
4. Click Add.
   The Add dialog box appears.
5. Click Computer account.
6. Click Next.
7. Click Local Computer.
8. Click Finish.
9. Click OK.
10. In the left pane of the console, select Certificates (Local Computer).
11. Click the Personal folder.
12. Double-click the main certificate you previously imported and select the Certification Path tab.
13. Do one of the following:
    • To install the root certificate, double-click the root certificate.
    • To install the intermediate certificate, double-click the intermediate certificate and select the Details tab.
14. Click Copy to File and do the following:
    1. Deselect Do not export the private key.
    2. Select the default file type.
    3. Select DER encoded binary.
    4. Navigate to the location in which to save the certificate.
    5. Click OK.
15. In the left pane of the console, select one of the following:
    • If you are installing an intermediate certificate, select Intermediate Certification Authorities.
    • If you are installing the root certificate, select Trusted root Certification Authorities.
16. Right-click the Certificates folder and select All Tasks > Import.
    The Certificate Import Wizard appears.
17. Click Next.
18. Select the CER file for the certificate you are installing, either the intermediate or root certificate.
19. Click Next to accept the default options for the remaining wizard pages.