The local device name is already in use. This connection has not been restored.

I've got a mixed network of OSX Macs and XP PC's. I've set the OS10.3.3 =
Mac=20
to share one of its folders across the network. I then connected to this =
Mac=20
on all the XP machines and mapped the network drive. Now for some reason =

on some of the XP machines I get the following message: 'The local =
device=20
name is already in use. This connection has not been restored.' I've =
seen=20
similar problems posted on the web with Samba servers, I know that OSX=20
uses Samba. Is this a known problem? Is there a fix? Can anyone help=20
please!??