[Samba] Network-connection breaking

[Cyberduck1]

Hello all,
yesterday I posted a Problem about the Network.connection.
It breaks down and windows is messaging "The
specified network name is no longer available", when I try to copy a large file or directory.
Now I know that this Problem also exists, when I try to delete a large Folder from a W2K machine on the Samba share.
What can I do?
The message in log.smbd is:
<!--StartFragment-->[2002/09/28 20:52:44, 0] lib/util_sock.c:read_data(436)
  read_data: read failure for 4. Error = Connection reset by peer

Please help...
Cyberduck
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