Since you're talking about an IPX/NETBIOS error message, I'm assuming you're doing DOS-based OSD? It would help to get this confirmed.
If your problem here is getting IPX/NETBIOS and the Workstation Service loaded, this is most definitely a NIC-driver issue. You may want to try and download the DOS-driver from the OEM first (I recommend getting/testing the last 2-3 revisions), as well as potentially the manufacturer of the NIC itself (if the OEM's drivers don't work).
The steps for updating NIC-drivers on DOS-based images are documented in the LANDesk User Guide (included on the CD). For version 8.7, for instance, in the English language manual, this is found here:
Section - "Appendix B: Additional OS deployment and profile migration information"
Topic - "Adding network adapter drivers to the DOS boot environment"
Page # - Page 469 onwards
Hope this helps. If this is going down the wrong track, please provide more information on what you're doing which environment you're using (i.e. WinPE, etc.)
LANDesk EMEA Technical Lead.