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Article ID: 124817, created on Mar 11, 2015, last review on Mar 11, 2015

  • Applies to:
  • Plesk Automation 11.5


When I try to open PPA login page I got a notification about untrusted connection to the website. How can I fix it ?


This behavior caused by the SSL certificate used in the data encryption process is self-signed or certificate chain has been installed incorrectly.


The SSL certificate used in the data encryption process is automatically generated and installed on the server during PPA installation. This is the so-called self-signed certificate: it is not signed by a recognized certification authority (CA), therefore, upon attempt to connect to the Administration or Hosting Panel, you and your customers will see warning messages in web browsers.

To gain customer confidence, you should purchase an SSL certificate from a reputable certification authority, and install it to PPA.

Once you get valid certificate you need to perform following steps:

  1. Secure your PPA panel by steps described in our documentation

  2. Check that your certificate chain is installed correctly. For example, you can use one of web-services like as Thawte SSL Certification Checker

  3. If you get an error that certificate chain is invalid, you will possible need include corresponding IntermediateCA or RootCA certificate from certificate provider in your certificate chain.

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