I have a switch that only has all End Hosts with Last Seen timestamps of Feb 20. Some of the end hosts are still on the network, while others are not. I have one Major Acquistion every 12 hours, and one Minor Acquistion every two hours. My purge interval for End Hosts is "30" days, even though I could've sworn I had set it to >180 days before, in order to get useful reports for swtich port uptime. So the question here is: Why isn't UT acquisition taking place on this switch (and I've there're others) as scheduled? I don't see any pattern in terms of End Host Last Seen timestamps on the switches that aren't being updated for UT correctly.