how can i install the Netware Client vi an AddOn Image???

I create a Application Object with run Options
Parameters /acu /u:unattend.txt

When i this start on a working PC, the Client will update fine.

Now, i create an Image from this Application an put it to the Masterimage.
The Image is only 9KB !!!!

The Workstation receive this Image but can't install the Application! Error:
Can't access to \\Server.....

I probe the AddOn Image with the Acrobat Reader and it works fine!

Does anybody has an Idea???