• 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 current 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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    Issue Failed to connect to target Plesk server by Plesk API: <urlopen error [SSL: SSLV3_ALERT_HANDSHAKE_FAILURE] sslv3 alert handshake failure (_ssl.c:590)

    Update : We have now succeeded in upgrading both of the 18.0.21 servers to 18.0.24 (the sources at our provider OVH were faulty and not allowing update beyond 18.0.21). We have also succeeded in updating the Onxy server to Obsidian 18.0.24. We still cannot migrate anything from the old server to...
  2. R

    Issue Failed to connect to target Plesk server by Plesk API: <urlopen error [SSL: SSLV3_ALERT_HANDSHAKE_FAILURE] sslv3 alert handshake failure (_ssl.c:590)

    We have a dying server (running Plesk Onyx 17.8.11 #82) and a new server to replace it running Obsidian 18.0.21. Trying to migrate from the old server to the new one produces the above error. I have Googled and tried a couple of suggestions but none of them have fixed the issue...and there isn't...
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