We are currently pushing out some new endpoint protection software, and in our student facing areas I am using Quick Delivery tasks to achieve this as I can control power on/off etc. and know their availability. However, on a number of these machines, the software package is downloaded but the commandline is seemingly never launched - the task just sits with the status of "Running" until the task eventually times out. There are no logs to suggest that the installer ever ran. It hasn't happened on all PCs - just some of them, and no matter how many times I repeat the quick delivery task on those machines, the outcome is still the same. I'm fairly certian it's not a problem with the actual installer, as when I run the installer manually on those machines - it works fine.
I have no idea how to diagnose the problem since it is pretty intermittent in terms of it working on some machines. However, it consistently doesn't work on others. The machines (working and non-working) are all running identical images and are all identical hardware. We are using CMS 8.1 RU3 and the agents are all up to date and healthy.
Any ideas where to start looking?
Thanks.