Hi Rodney,
Thank you for the post.
1. Check the scan log in MPLog-XYZ.log or MpCmdRun.log.
%allusersprofile%\Microsoft\Microsoft Antimalware\Support\MPLog-XYZ.log
C:\Windows\Temp\MpCmdRun.log
2. Verify SCCM console--FEP policy--Schedule scans settings
unchecked Force a scan upon restart when two or more scheduled scans are missed
checked Limit processor usage during scans to the following percentage 30%
If there are more inquiries on this issue, please feel free to let us know.
Regards
Rick Tan
TechNet Community Support
