Mapped drive keeps disconnecting?

I wanted to know if one computer is a member of the domain and the other is just on a workgroup then that is sharing a folder? Both computers are using XP and the domain user is mapping to a shared folder on the workgroup computer. Each time the domain user logs off, then it looses the connection to the network drive? I have got the domain user mapped to the drive with the options to logon as someone else and to reconnect at logon. I then have to manually disconnect the network drive and re-map a drive to the workgroup shared folder. Once I do all is fine until the next time the domain user logs off? Can anyone please help? Thanks

Even I am facing the same issue and I did the registry hack to add time to the auto-disconnect and also the command "net config server" and still will not stay connected. I have created a job that runs every few minute to copy files from that pcs mapped drive but when disconnected it will not reconnect.

My mapped network drives keep disconnecting every 15 minutes. I have tried the registry hack to extend the time the mapped network drives are connected but it has not helped. Anybody out there that has any ideas?