Problem in accessing Trusted domain

Hi All,
We have one of client client trusting our forest.Client domain is NT domain.Our Forest is w2k forest. Client is having one way trust to our forest.We are having problem accessing few servers in our client domain.when i try to access the server it throws a error msg that there is no logon servers available to logon to this server. Can anyone helpme pls.I really don’t know where exactly is the problem.
It will be really helpful if someone throw some light on this to fix this issue.
Thanks
Inba