In the Windows Domain, enable the certificate auto-enrollment for users.

To enable the certificate auto-enrollment for users

1. Log in to the server hosting Active Directory.
2. Open the Group Policy Management administrative tool. Select Start > Windows Administrative Tools > Group Policy Management.
   The Group Policy Management dialog box appears.
   
3. In the tree view, expand the Domain Controller you will modify.
4. Right-click Default Domain Policy > Edit. The Group Policy Management Editor dialog box appears.
   
5. Expand User Configuration > Policies > Windows Settings > Security Settings > Public Key Policies.
   
6. In the content pane, right-click Certificate Services Client Auto Enrollment > Properties.
   The Certificate Services Client Auto Enrollment Properties dialog box appears.
   
7. In the Configuration Model drop-down list, select Enabled.
8. Select Renew expired certificates, update pending certificates, and remove revoked certificates.
9. Select Update certificates that use certificate templates.
10. Click OK.