I have the following problem:

If I install windows with a unattended file he installed windows XP + add users.

Windows must rebooting for "refreshing?" the users.

And then I can installed Novell.

But now he installed windows XP + Users + Novell and... WRONG failed to installed Novell.

How can I refresh the users without rebooting the Windows XP machine?

Or can I rebooted windows and after the reboot I run once the Novell installation?

What happens if you skip user adding?

"XP + Novell" instead of "XP + Users + Novell"

It is't possible!

The (unattended) full automatically novell installation is build with a special user account.

But I have got a idea.

If I restart windows, is it possible that I run once the Novell installation?

E.g. If I make a cmdline.txt with the commands of the novell installation (script)

and I place it in the root of the $oem$ folder (is this all what I must do or must I add a command in the winnt.sif file?) from Windows XP pro

Is Windows running this file AFTER the reboot?

You should install the Novell Client from your CMDLINES.TXT file. I suggest you read through the following for more information:

How to Install the Novell Client