• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be 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.

Downgrade 11 to 9.x or 8.x

sosbilisim

Basic Pleskian
Hello;

I wanna downgrade my Plesk Linux 11 to 9.x or 8.x versions. I have both license keys. How can I convert plesk 11 data to old versions.

Thank You
 
This is not something that's easily possible, or even possible at all as far as I know :-(

But why would you want to go back to 8 or 9?

Plesk 8.x is EOL, so no support and no updates.
Plesk 9.x will be EOL in June 2013, so no support and no updates after that.
 
This is not something that's easily possible, or even possible at all as far as I know :-(

But why would you want to go back to 8 or 9?

Plesk 8.x is EOL, so no support and no updates.
Plesk 9.x will be EOL in June 2013, so no support and no updates after that.

Because 8.6 and 9.5 series simple and stable
 
Hi sosbilisim,

There is no support for such downgrade.
You can try Plesk 11.5, which is in preview stage now. There are lot of improvements and simplifications in UI and functionality

The download links are in Plesk 11.5 Preview thread
We don't have ETA for 11.5 yet.
 
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