Have you tried redeploying the PXE Representative using the PXE Rep deployment script in the OS Deployment module?
This should uninstall and re-install it.
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Thanks for the suggestion. But I tried to redeploying the PXE Representative twice and each time I'm still getting the same results TFTP download failed.
Spoke to several Techs at LANDesk concerning this issue and they also suggested that we redeploy the PXE software. After several attempts to correct this problem, tried stopping the PXE services on DCTRWRK001. With the services stopped, the TFTP will error out with a Timeout error. While in the timeout state, the services are restarted and the PXE boot menu will appear. Installed Wire shark on the PXE server (wrk002) and ran a packet capture between the server and the client. Had our Cisco Administrator look at the results and he had a Cisco rep look at the results. We came the conclusion that something was interfering with the TFTP port (69) somewhere. I then proceeded to look at the HP teaming on the PXE server (wrk002) and compared it to the settings on another Domain Server (wrk001). The settings were the same. Then proceeded to look at the firewall settings, even though they were turned off, verified that none of the UPD ports were being blocked in the background. Then paused and open Kaspersky and verified all the settings of the software. While the Kaspersky software was paused, redeployed the PXE representative software again. Rebooted the server PXE server (wrk002) and tested the PXE boot. After the reboot the PXE Boot is now working. Tried to reimage several desktops with success.