SymptomsPlesk key notifications are received by plesk administrator every hour. The message body could be the following:
This is a VPS license(PLSK.00111111.0000) that is generating the
following email hourly:
License key PLSK.00111111.0000 is up-to-date.
Please download the following file
and place it to the %plesk_bin% folder
Note: Please see how to install Plesk hotfixes properly.
%plesk_dir% is environment variable which points to Plesk installation folder. By default it is C:\Program Files\SWsoft\Plesk
%plesk_bin% is environment variable which points to Plesk binaries folder. By default it is C:\Program Files\SWsoft\Plesk\admin\bin