If the KACE Systems Management Appliance is getting many repeated TFTP requests per second for filenames that are unrelated to KACE, this can cause a problem
This is normally an issue caused by another 3rd Party product/Device that may have nothing to do with Imaging
These requests can be seen in: Settings | Appliance Logs | TFTP Transfer Log
There the requests per second for a file name un-related to KACE