DHCP and private IP's

Microsoft Windows

I got a 1056 from the DHCPserver which is this:

The DHCP service has detected that it is running on a DC and has no
credentials configured for use with Dynamic DNS registrations initiated by
the DHCP service. This is not a recommended security configuration.
Credentials for Dynamic DNS registrations may be configured using the command
line "netsh dhcp server set dnscredentials" or via the DHCP Administrative

Now I'm getting private IP's on my two connected PC's.

I have Win2003 SBS with a D-Link wireless router plugged into the internal
side of the network.

Any ideas of what to check??
As Marina said... :-)

Event ID 1056 Is Logged After Installing DHCP