Article ID: 120081, created on Feb 12, 2014, last review on Sep 15, 2016

  • Applies to:
  • Plesk Automation


This article is meant to provide easy access to commonly-used issues related with installation and troubleshooting SSL certificates in Plesk Automation (PA).

Note: This article is mostly required for cases which are difficult to find using search. On the contrary, if you get an error message, it is always quicker to search for it in the Knowledgebase.

Known issues

118915 How can I change control panel default certificate in Plesk Automation? (through the panel)

118917 How can I change default certificates for SMTP, IMAP, and POP3 over SSL in PA?

118918 How to verify that SSL for IMAP/POP3/SMTP works and proper certificate is installed?

125868 How to Enforce FTP over TLS?

118759 Unable to create SSL certificates for dedicated IP addresses

127430 How to change expired self-signed SSL certificate for ProFTP service on Apache nodes?

123399 SSL certificate file does not exist or empty

126983 The SSL certificate used by Plesk Automation webmail node has expired. How can it be renewed?

128912 Cannot manage the website. SSL certificate problem: self signed certificate

122531 Apache Service Node shows error: The error 'SSL certificate problem: self signed certificate' occurred

121005 Can not register the service node in the Plesk Automation

124695 How to assign/add SSL certificate for IIS-based subscription?

Search Words


550 SSL/TLS required on the control channel

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SSL dedicated IP

How to install a SSL certificate in PPA

Assign certificate

SSL certificate

Could not connect to server


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wildcard ssl

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Instlalling wildcard SSL to all nodes for all services


ssl handshake failure

ibwrap refused connection to ftp


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