Cannot logon from RIS boot disk

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Hi Guys,

We have a win2k3 server running RIS. When I use the RIS boot floppy for
client deployment I have to logon to the domain - at which point it does not
accept my username or password for the domain admin. I know the account works
and I have checked and double checked there are no typos.

Any ideas?

Thanks,

Niall.
.