• If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread:
    CentOS2Alma discussion
  • Please beaware of a breaking change in the REST API on the next Plesk release (18.0.62).
    Starting from Plesk Obsidian 18.0.62, requests to REST API containing the Content-Type header with a media-type directive other than “application/json” will result in the HTTP “415 Unsupported Media Type” client error response code. Read more here

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  1. R

    Can not login to admin panel after update from 11.0 to 11.5

    I am using CentOS 6.4 I cannot login to the admin page. Showing this message: Error: Unable to log you on. An internal error occurred in the Single Sign-on authorization engine. Please try to log in later, and contact your hosting service provider if the problem persists. Error log: Doing...
  2. R

    Can not login to admin panel with no error shows.

    Plesk 11.0 CentOS 6 64bit Hi I can not login to admin panel with no error shows. It redirect me to login page again. I have tried chrome and firefox on more then 1 PCs, same error. Please help, Thank you.
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