• 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.

Plesk 11 Upgrade and License Key

Well, in that case if there is no UNLIMITED domains option, then you would need to get help with SUS reinstatement, please create a free support request to customer service:

http://www.parallels.com/support/request/

You will be prompted to log into your account if you were not logged in previously.

Please select 'Customer Service and Licensing' category from the first drop-down list. Then select 'Parallels Plesk Panel' as a product.

Please note that you do not need to have a support code to create such a request.
 
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