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failed DNS lookup

Postby troy » Mon, 15 Nov 2004 12:20:09 GMT 

When I run DCDIAG /f:logname I get the following error. How can I fix this?

Domain Controller Diagnosis

Performing initial setup:
   Done gathering initial info.

Doing initial required tests

   Testing server: Default-First-Site-Name\DCCIPDC
      Starting test: Connectivity
         The host edcfbf9b-7d54-4db8-b702-31946e575fff._msdcs.dcci.delta.com 
could not be resolved to an
         IP address.  Check the DNS server, DHCP, server name, etc
         Although the Guid DNS name 
(edcfbf9b-7d54-4db8-b702-31946e575fff._msdcs.dcci.delta.com) couldn't 
be resolved, the server name (DCCIPDC.dcci.delta.com) resolved to the 
IP address (192.168.1.191) and was pingable.  Check that the IP 
address is registered correctly with the DNS server.
         ......................... DCCIPDC failed test Connectivity

Doing primary tests

   Testing server: Default-First-Site-Name\DCCIPDC
      Skipping all tests, because server DCCIPDC is
      not responding to directory service requests

   Running partition tests on : DomainDnsZones
      Starting test: CrossRefValidation
         ......................... DomainDnsZones passed test 
CrossRefValidation
      Starting test: CheckSDRefDom
         ......................... DomainDnsZones passed test CheckSDRefDom

   Running partition tests on : ForestDnsZones
      Starting test: CrossRefValidation
         ......................... ForestDnsZones passed test 
CrossRefValidation
      Starting test: CheckSDRefDom
         ......................... ForestDnsZones passed test CheckSDRefDom

   Running partition tests on : Schema
      Starting test: CrossRefValidation
         ......................... Schema passed test CrossRefValidation
      Starting test: CheckSDRefDom
         ......................... Schema passed test CheckSDRefDom

   Running partition tests on : Configuration
      Starting test: CrossRefValidation
         ......................... Configuration passed test 
CrossRefValidation
      Starting test: CheckSDRefDom
         ......................... Configuration passed test CheckSDRefDom

   Running partition tests on : dcci
      Starting test: CrossRefValidation
         ......................... dcci passed test CrossRefValidation
      Starting test: CheckSDRefDom
         ......................... dcci passed test CheckSDRefDom

   Running enterprise tests on : dcci.delta.com
      Starting test: Intersite
         ......................... dcci.delta.com passed test Intersite
      Starting test: FsmoCheck
         ......................... dcci.delta.com passed test FsmoCheck
Top

Re: failed DNS lookup

Postby Miha Pihler » Mon, 15 Nov 2004 17:45:46 GMT

i Troy,

How is DNS configured (under TCP/IP properties) on your domain controllers?

If your domain controllers are also DNS servers they should point back to
themselves -- on Windows 2003 you can enter 127.0.0.1 as preferred DNS
server under TCP/IP properties and on Windows 2000 DC you should enter it's
real IP (it won't allow you to enter 127.0.0.1). Preferred DNS on your DC
should not point to e.g. your ISP.
If you do these changes, make sure you restart NetLogon service.

Mike

"troy" <troyds@deltaprocess(NoSpam).com> wrote in message
news: XXXX@XXXXX.COM ...


Top

Similar Threads:

1.replication failing, dns lookup failure 

I ran repadmin agains one of my domain controllers and all of the 
replications with partners a completing except one. It is failing with "the 
dsa operation is unable to proceed because of a dns lookup failure".  I went 
into sights and services and clicked on the ntds settings for the server 
that isn't replicating, right clicked on NTDS settings, and chose replicate 
now. I get the following:

The following error occurred during the attempt to contact the domain 
controller "dc":
The RPC server is unavailable.
This condition may be caused by a DNS lookup problem.

Anyone know what is going on?

2.Problem with XP caching failed DNS lookups 

I have a problem with a windows XP box I have recently acquired

I connect this box to the net through a proxy machine with a modem. On
attempting to connect the proxy dials on demand and connects and
everything is automatic from then on - usually.

What happens with the XP client is that I will attempt to go to a web
page ( google.com for example ), the proxy dials up and connects. By
this time XP has decided it would get no response and returned an
error. Now on every other box I have used as a client I could then
reload and the page would come up, ie it is only a spurious error
because the dial up connection is slower than the application's
timeout. But with XP it appears to have cached the name server
information so that subsequent connection attempts will also fail,
albeit that they fail immediately, but connections to a new address (
e.g. google.co.uk ) work correctly.

The only way to connect to the original page appears to be to reboot
XP. How can I persuade XP that it really doesn't know as much as it
thinks it does and make this box connect?

TIA

3.DNS lookup is failing

4.reverse DNS lookup test failed

5.To add... DNS lookup is failing 

In news: XXXX@XXXXX.COM ,
Krish Sundaresan [MSFT] < XXXX@XXXXX.COM > posted their
thoughts, then I offered mine
> unlikely to be a hosts file issue, since seems to work fine with
> pointing against public DNS Server.


If there's a firewall blocking TCP 53, then that may also cause the issue
(assuming that the domains they are trying to get to are returning a
response larger than 500 bytes).


-- 
Regards,
Ace

Please direct all replies to the newsgroup so all can benefit.
This posting is provided "AS-IS" with no warranties and confers no
rights.

Ace Fekay, MCSE 2000, MCSE+I, MCSA, MCT, MVP
Microsoft Windows MVP - Active Directory

HAM AND EGGS: A day's work for a chicken; A lifetime commitment for a
pig. -- 
=================================

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8. DNS lookup fails on first attempt only

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