Plesk home page shows the following warning after configuring Plesk components:
Warning: For Panel to work, you need to select the default components from list below. Make sure that the components you select are properly installed and configured. It is possible to change your selection afterwards.
Plesk components are not properly detected by Plesk. The following command can be used to check Plesk components:
To fix the issue do the following run
%plesk_dir%admin\bin\defpackagemng.exe --update --fix