Novell ZENworks Desktop Management 7 - ZDM7 Imaging
Novell ZENworks Desktop Management 7 - ZDM7 PreBoot Services (PXE)
Novell ZENworks 6.5 Desktop Management - ZfD6.5 Imaging
Novell ZENworks 6.5 Desktop Management - ZfD6.5 PreBoot Services (PXE)
As workstations were automatically checking for work to do they were causing the server to abend. The TFTP.NLM was abending the server because of a non-null pointer being sent to LIBC.NLM.
For ZDM7: Fixed in ZENworks 7 with SP1 Desktop Management, available at Novell Downloads
For ZDM6.5 SP2: fixed in ZENworks 6.5 Desktop Management SP2 IR1 or newer found at Novell Downloads