• 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.

Resolved What is different PLESK Onyx & Admin SE?

4allprograms

New Pleskian
Server operating system version
Ubuntu 20.04.5 LTS
Plesk version and microupdate number
18.0.49
Can someone here explain for me about what is the difference between Plesk Onyx & Admin SE? I've just found a new ISP that provide Plesk Onyx with cheapest price and I fascinated with it.

What's the benefits & features they have?
 
Hi @4allprograms,

Plesk Onyx is version 17 of Plesk (so a bit outdated) compared to Obsidian which is the newer version.

Web Admin SE is basically the same as Obsidian but with a built in free license and is mainly bundled with Amazon Lightsail, Amazon EC2, and DigitalOcean under Ubuntu 20.04. Web Admin SE does have limitation (such as the max domains you can have is 3). I would recommend referring to these articles:
 
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