no dhcp or proxydhcp offers were received

Dear Experts

A couple of our machines on site seem to be experiencing this problem.
You can login to the network & windows without any problem but i need to RIS these machines with a new image but when i try and boot from the network i get the following error:

no dhcp or proxydhcp offers were received

RIS is working fine on all the other machines in the room and all machines are patched into the same switch and VLAN.

Any ideas on whats wrong?
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Hi there.

Try another NIC. Same problem?
Are the dhcp leases tied to machine names.
Does the dhcp server support bootp?
firewall blocking DHCP?
Bladey001Author Commented:
Ended up moving the PC to a different port and managed to RIS it from there.
So i can only presume the problem relates to a config setting on that port

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