Imagine:
Select 2 machines, click install, fill out the schedule info, click Install.
Nothing happens.
Repeat step 1.
Nothing happens.
Repeat step 1.
Nothing happens
Select only 1 machine, click install, fill out the schedule info, click install.
Machine schedules the install.
Select the other machine, click install, fill out the schedule info, click install.
Nothing happens.
Repeat.
Nothing happens.
Repeat.
Nothing happens.
All for 2 machines that have no application conflicts or warning messages I can spend up to 20 minutes clicking the same boxes over and over.