• Debian 11 has reached its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.81 is the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

License Key - Plesk 9.x to Plesk 10.x

tupeu

Basic Pleskian
If you have a valid licence key for Plesk 9.x can you upgrade to Plesk 10 and use the same key?

If i update from 9.x to 10.x i dont want to get the message "this key is not valid"

There is no way back from Plesk 10.x to 9.x
 
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Starting from PP 10 License Keys can be acceptable for multiple Plesk versions (PP 10, PP 11, etc) but not for previous versions.
 
Upgrade to 10 from 9 apears in update manager

In my Parallels Plesk Panel Updater I can now see an update option is available to 10.0.0 & 10.0.1. I have been running Plesk 9.5 for over a year now and my SUS expired 4 months ago.

If the new version is appearing in the Updater does that mean my licence will allow me to use the new software or will my Plesk panel shutdown after the upgrade because the licence is invalid?
 
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