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How to Install a Root and/or Intermediate CA Certificates for Plesk for Windows

Problem

Install a Root and Intermediate Certificates for Plesk for Windows Resolution

Solution

Step 1: Download the Root and/or Intermediate CA file certificates
 
To download the Trusted Root certificate.
To download the Intermediate CA.

Step 2:  Import the Root and/or Intermediate CA certificates

  1. Access the Plesk control panel
  2. Select Domain
  3. Select the name of the certificate from the list at the bottom of the page
  4. Look for the dialog box on the page stating CA Certificates. Paste the Intermediate Certificate first then the Root Certificate second.

    IMPORTANT NOTE: The order of the certificates is critical.  The Intermediate Certificate must be pasted first,  then the Root Certificate.   
    Do not include a space between the Intermediate Certificates and Root Certificate.

    Example:
    -----BEGIN CERTIFICATE-----
    (SSL Intermediate CA Certificate)
    -----END CERTIFICATE-----
    -----BEGIN CERTIFICATE-----
    (Root certificate)
    -----END CERTIFICATE-----



     
  5. Select  Send Text
  6. Select Level Up until you get to the top level
  7. Select Setup
  8. At the top, from the drop down menu, select your certificate
  9. From the left hand menu, select Server > Service Management
  10. Restart services of your site for IIS or restart your server for Apache