trying to install ZENworks 6.5 DM SP1 gives the the following error

ZENworks Desktop Management installation failed on the following servers:
<server>
See below for details.

[server]
Pre-install steps completed successfully
ZENworks Desktop Management files copied successfully.
Error: There was an error installing ZENworks Desktop Management on
<server>. Error: \\<server>\SYS\System\zenkeys.cfg (The specified network
name is no longer available)
any help is appreciated.