XP does not install for the network

[WinXP]

I am installing Windows XP with the unattended.txt archive through a network, that is, I am typing the following command:

winnt.exe /s: \ \ mypc \ windist \ i386 /u: unattend.txt

However the copy of the archives starts without problems, but all time shows the following message Setup was Unable you the Copy the following file: e is some archives…