SLES SP4 Kernel Update 3.0.101-104-2 may cause your ZCM Primary server to cease functioning.
Please do not apply at this time.

See - https://www.novell.com/support/kb/doc.php?id=7021007

The TID will be updated as details come forth.
Please Ask in a SUSE Forum on how to roll back the Kernel Patch if Necessary.