Customer Support > Install Root Certificate > Plesk

To install the AlphaSSL Root Certificates, perform the following steps:

Download the AlphaSSL Root Certificates

Login to the Plesk Control Panel.

Select 'Domains' from the left hand menu.

Click on the domain name that the certificate is for.

Click on the 'Certificates' menu item.

Look for the box on the page labeled 'CA Certificate'. You will need to paste both the Intermediate Certificate and Trusted Root Certificate into this box.

GlobalSign Root CA Certificate
AlphaSSL intermediate Certificate

Click the "Send Text" button