SSL Stopped Working After Migration

[eugenevdm]

After a 7.5.4 to 8.0 PMM migration our SSL certificate stopped working. When we try to connect to the site that is supposed to use SSL we get:

"Error: Cannot connect to the following server: localhost"

I've examined all the various places in Plesk, and it appears that the certificate is there. How can I go about in troubleshooting this issue?

 

[eugenevdm]

It appears the problem was not related to the migration of the SSL. The SSL is working fine. The problem was connecting to the MySQL database. This line stopped working on the new server:

if ($HTTP_SERVER_VARS["SERVER_ADDR"] != "xx.xx.xx.xx"){

I just removed it and now it's working.