He found that, 30-40% was compliant and rest of them non-compliant (majority) /unknown (very few).
Maintenance window started ,patches started installing and after a while ,he logged in ( browse the reports ) to check the status for deployed patches (software update groups) using reports. Few weeks ago ,colleague of mine was trying to perform patch management on bulk number of clients (servers) as monthly patching ,as part of it he made sure the maintenance window was in place,deployment was set rightly for software updates deployment.