Hello,
We have network with samba PDC server and server with Nas-R3 enterprise as a member server. When i copy from NAS to workstation(XP) and from workstation to NAS (in the same time), there is a popup: Cannot copy xxxx: The specified network name is no longer available. I’ve checked network cards, netbios over tcpip, wins, static and dynamic IP and nothing.
I had the same issue with XP then updated to SP2 and did not have this issue again. Windows Vista does not have this issue. I remember that it might be with MRxSmb.
I've checked this scenario (copy from and to server at the same time) with our PDC server (siemens Econel 200 + ubuntu 6.06 server edition) and everything is fine so NIC's are OK.
I took one of the XP notebooks that had an Intel Pro 1000 PL NIC - confirmed it did not work and produced the same error, then changed the Link Speed & Duplex settings for the NIC to "Auto-negotiate 1000" and now works. This is NIC or Driver issue. Also there is plunty of info on the net concerning this subject