- Plesk for Linux
Note: This article has the reference to the issue with the fix available:
- #PPPM-4286 "Support issue #PPPM-4286"
- Plesk Onyx 17.0 Release 15 November 2016
During Plesk upgrade the following warning is shown:
CONFIG_TEXT: Parallels Panel pre-upgrade check...
WARNING: SSO start-up script has wrong execution priority.
sw-sso package is not installed.
This is Plesk bug with ID PPPM-4286 which has been fixed in Plesk Onyx.
Upgrade to the latest Plesk version.