Novell NETWARE 6-DOCUMENTATION Manual page 175

PDC Is On Same Subnet
Indicates that the PDC is on the same subnet.
Specify PDC Using DNS or WINS
Select this option to use DNS or WINS to specify the primary domain
controller.
PDC Name
A PDC server name and static IP address are needed if the PDC is on a
different subnet. This option should be used only when there is a valid reason
for overriding WINS or DNS.
PDC Address
The address of the PDC must be static; otherwise, if the PDC reboots and the
address changes, the server running Novell Native File Access Protocols
software will not be able to contact the PDC.
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Setting Up NetWare 6