I have a WDS server setup for use with MDT2010, and everything was working fine until this morning. Now, whenever I try to boot from LAN, I get an error:
Downloaded WDSNBP...
Architecture: x64
WDSNBP started using DHCP Referral.
Contacting Server: 10.50.10.12 (Gateway: 0.0.0.0)
No response from Windows Deployment Services server.
Launching pxeboot.com
My PXE Response Policy setting on the WDS is set to this:
[ ] Do not respond to any client computer
[ ] Respond only to known client computers
[o] Respond to all (known and unknown) client computers
[X] For unknown clients, notify administrator and respond after approval
The odd thing is that if I clear the approval option (so any computer gets a response) it works fine.
I have delegated permissions on the AD OU to the computer object WDS is running on, but that doesn't seem to have helped.
As it works without approval, I can only assume my DHCP options are fine and this is some sort of AD permission problem.
(Server is Windows Server 2008 SP2)
Best Answer
With that option ticked, all unkown computers should boot into WDS, but then be listed on the WDS server, awaiting approval, within Pending Devices .
Try extending the PXE response delay settings. It might be failing as the devices are not being approved within WDS, after requesting the boot.