SymptomsParallels Plesk Panel does not detect Xeon E54xx series correctly. Under Plesk Statistics > System CPU Xeon E54xx is shown as (example for Plesk 8.3.0):
Version psa v8.3.0_build20071225.14 os_Windows 2003/2008
OS Microsoft Windows 5.2;build-3790;sp2.0;suite402;product3
ResolutionUse attached archive of sysinfo.exe and place it to %plesk_bin%, do not forget to backup original file first.
This fix traditionally requires VCRedistr_x86, and restart of plesksrv service.
NOTE: solution can only be applied for Plesk 9.2.3
Solution for Plesk 11.0.9 in attach sysinfo_11.0.9.zip