Back about 3 weeks ago I moved about 1.3 terabytes of data from a 2k3 server to a 2k8 server do to space issues.
I have a mix of windows xp and windows 7 64bits workstations on the network.
Since the move, the win7 users experience lockups when saving data to the 2k8 server. They can be in windows explorer, word perfect, or any other program and they will get a message that the program isn't responding when it appears that the save/copy has locked up. In most cases, you cannot close the the locked program through task mgr and when you try to reboot, the workstation hangs which requires a hard shutdown of the system. I have verified that the machines are not infected with any virus, malware, etc. The server itself is running near 90% of the physical memory being used (not sure if that could be causing the issue). I have verified the desktop and servers have the latest network adapter drivers. Other than adding memory to the server, is there anything else I might check?