- Plesk 11.x for Linux
- Plesk 12.0 for Linux
When trying to update the Plesk license key via web interface the following error is shown:
CONFIG_TEXT: *Unable to connect to license server https://ka.plesk.com:5224/xmlrpc.
cURL error description: Problem with the SSL CA cert (path? access rights?)(77)*
It is caused by update of system packages
on installed Plesk for CentOS 6/RedHat EL6.
Connect to the server via SSH and restart sw-engine with
# service sw-engine restart