mounting network share problem

[NetAdmin]

Hello, FreeBSD support team,

I have some problems with network configuration in FreeBSD.
My task is to mount network share on Win2003 server
(Network with domain) to some folder, for example, /mnt

I wrote:
# mount_nfs server:share /mnt

and see error:
[udp] RPC: RPC timeout

But my computer "sees" all computers in domain when ping some of
them...

-- 
Best regards,
 NetAdmin                          mailto:NetAdmin at upb.ks.ua