Possible Cause:  You might have forgotten to specify the IP address or DNS name of the imaging server when creating the ZfD imaging boot device.

Action:  Edit the SETTINGS.TXT file on the imaging boot device (the third diskette or the CD) and fill in the PROXYADDR parameter. This parameter is documented in Imaging Bootup Parameters (SETTINGS.TXT) in Imaging Utilities and Options in Workstation Imaging in Administration.