DNS-Error in event viewer. whats the rea

On my PDC running DNS, WINS, DHCP, I got thefollowing error in my event viewer. Tell me whats the problem & how to solve it.

Event Type: Warning
Event Source: NETLOGON
Event Category: None
Event ID: 5781
Date: 10/3/2001
Time: 8:21:21 AM
User: N/A
Computer: pcname
Description:
Dynamic registration or deregistration of one or more DNS records failed because no DNS

servers are available.
Data:
0000: b4 05 00 00 ?…