In-place upgrade is performed within one server environment. To perform in-place upgrade:

  • OS should be supported by its vendor and Plesk;

  • Installed Plesk version should support upgrade to Plesk Obsidian.
    The supported versions are:

    • Plesk Onyx 17.0
    • Plesk Onyx 17.5
    • Plesk Onyx 17.8
  • If requirements are met, proceed with the upgrade using method from this article.
    If an earlier version is installed you can either upgrade to Plesk Onyx first or Upgrade by transfer.