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DNS-Error in event viewer. whats the rea

By FaisalMasood ·
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 I 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 ?...

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DNS-Error in event viewer. whats the rea

by cportman In reply to DNS-Error in event viewer ...

Do an ip config /all on the client
look at what is in the primary DNS suffix, make sure it matches your zone in dns.

cp

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DNS-Error in event viewer. whats the rea

by FaisalMasood In reply to DNS-Error in event viewer ...

the problem was not on client but on PDC server. Any way it matches the suffix.

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DNS-Error in event viewer. whats the rea

by LordInfidel In reply to DNS-Error in event viewer ...

There may be 2 issues here according to the MSDN.

#1

If you are using a BIND-based Domain Name System (DNS) server as forwarder on a Windows 2000-based DNS server, you may receive the following error message when a client tries to dynamically update DNS records:

Event Source: NETLOGON
Event I 5781
Description: Dynamic registration or deregistration of one or more DNS records failed because no DNS servers are available.


CAUSE
This behavior can occur if the BIND-based server is caching the SOA record for the domain that was queried for. If the BIND-based server is resolving a query from its cache, the "Authoritative" bit is not set in the response packet. Because the Windows 2000-based server did not receive an authoritative answer to an SOA query, it sends a "Server Failure" response to the client, causing the dynamic update attempt not to succeed.


RESOLUTION
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, please see the following article in the Microsoft Knowledge Base:


Q260**0 How to Obtain the Latest Windows 2000 Service Pack

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DNS-Error in event viewer. whats the rea

by LordInfidel In reply to DNS-Error in event viewer ...

#2 is as he stated above in post#1:

Domain Controller's Domain Name System Suffix Does Not Match Domain Name

Q257623
--------------------------------------------------------------------------------
The information in this article applies to:

Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server

--------------------------------------------------------------------------------
IMPORTANT: This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information about how to do this, view the "Restoring the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help topic in Regedt32.exe.


SYMPTOMS
After you promote a domain controller (DC), the DNS suffix of your computer name may not match the domain name that the DC belongs to. After a server has been promoted to a DC, it is not possible to rename the computer on the Network Identification tab. Also, you may receive NETLOGON events in the System Log with ID:5781 or other error messages that indicate a failure to dynamically register Domain Name System (DNS) records.


CAUSE
This behavior (disjoint namespace) can occur when theChange primary DNS suffix when domain membership changes check box is not selected (checked) before the promotion. When a domain suffix is set, the Change primary DNS suffix when domain membership changes check box is not selected in an upgrade fromMicrosoft Windows NT 4.0.

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DNS-Error in event viewer. whats the rea

by LordInfidel In reply to DNS-Error in event viewer ...

RESOLUTION
WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys and Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Helptopics in Regedt32.exe. Note that you should back up the registry before you edit it. If you are running Windows NT or Windows 2000, you should also update your Emergency Repair Disk (ERD).


To resolve this issue, use one of the following appropriate methods:

Method 1
After you upgrade to Microsoft Windows 2000, but before you run dcpromo and obtain the Active Directory Installation Wizard, add the following values to the following registry key:

Value name: SyncDomainWithMembershipValue type: REG_DWORD
Value: 1
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\
Method 2
If you have already promoted to a domain controller, use the Active Directory Installation Wizard to demote to a member server. Click to select the Change primary DNS suffix when domain membership changes check box, and then run dcpromo to promote back to a domain controller.

NOTE: You can also prevent this problem by upgrading to Windows 2000 by using a Windows 2000 Service Pack 1 (SP1) slipstream installation point. However, applying Windows 2000 SP1 after the upgrade does not resolve this issue.

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DNS-Error in event viewer. whats the rea

by LordInfidel In reply to DNS-Error in event viewer ...

CAUTION: Exercise caution if you determine that this process is necessary on an existing Windows 2000-based domain. The process of running dcpromo to remove the computer from a domain, and then re-creating an Active Directory domain results in a total loss of all the computer account information and user account information for the domain. You must manually re-create all user account information and computer account information after using this process.

MORE INFORMATION
For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

Q262376 Computer Name Does Not Match the Windows 2000 Domain Name After Upgrade

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DNS-Error in event viewer. whats the rea

by FaisalMasood In reply to DNS-Error in event viewer ...

I think Answer 3 is close to the situation. Infact Change DNS suffix options was checked before promoting the computer to PDC.Any way thanks for ur help. :)

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DNS-Error in event viewer. whats the rea

by Fnugry In reply to DNS-Error in event viewer ...

When you run domain controller and DNS on the same machine, a situation is possible when netlogon starts before DNS service finishes its initialization (which, in its turn, may depend on other services, such as active directory, file replication, etc.); As a result netlogon may fail to register some of the records during startup. Normally, netlogon will try to register the records again after a short delay, so you shouldn't worry much about this log entry.

You can easily check if this is thecase by waiting for DNS server to start (DNS start message is logged in DNS event log.) and then restarting netlogon service. If there are no record registration failures, then the error was caused by "late start" of DNS. Otherwise, you should checkyou DNS set-up and TCP/IP settings.

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DNS-Error in event viewer. whats the rea

by FaisalMasood In reply to DNS-Error in event viewer ...

Closest to the situation I'm facing.
Thanks.
:)

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DNS-Error in event viewer. whats the rea

by FaisalMasood In reply to DNS-Error in event viewer ...

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