Windows 7 Iprint error 1801

We are in the process of making our netware network Windows 7 ready.
I upgraded a server to NW 6.5 SP8
rebooted
installed Imanager 2.7.3 Field Test 1
Restarted Tomcat
and installed the iprint win 7 nw65sp8b-2 as per the tech doc and
upgraded the Imanager pluging
Restarted Tomcat.

created a new broker and manager for this server.

installed the Iprint Client 5.30 on the windows 7 pc.

Logged in and uploaded a Xerox Phaser 8560 printer driver for windows 7

I then created a printer and assigned the driver to the printer.

Went to the /ipp web page and attempted to do the install.

I get an error
"The printer name is invalid
Error code 1801"

Any thoughts?