- Plesk for Linux
- Plesk for Windows
Is it possible to upgrade OS on the Plesk server?
Since Plesk 12.5, an Operating System upgrade is supported only for certain Operating Systems. For more information, check out the following article: How to perform dist-upgrade procedure on server with Plesk
For older versions, upgrade is not supported and not recommended. Consider migration via Plesk Migrator: Plesk Migration and Transfer Guide