Some of our partners are noticing a few Windows 8/2012 machines are failing to scan properly. Windows 8/2012 require users to Opt-in to the Windows updates server. If machines Opt-out the WUA service will not work and because Kaseya patching relies on WUA. Without WUA, it will not scan properly. You’ll notice this when the machine reports that it cannot scan the machine inside of Kaseya (as pictured below in a patch log.)
If this is the case with some Windows 8 machines on your network we posted a script which fixes this issue. You can view it here: Windows 8/2012 Silent Opt-in for Windows Updates Service.
You can find more troubleshooting techniques for patch scans here.
Here is the article on Microsoft’s website regarding the issue that is causing this in the first place: http://msdn.microsoft.com/en-us/library/windows/desktop/aa826676(v=vs.85).aspx
