Win.2013 DNS Screwed UP

Posted on 2014-11-25
Medium Priority
Last Modified: 2014-11-26
I have now a Windows 2013 Server that someone built a long time ago, it has been in use as a file server, it is an OLD, OLD Server but the owners do not want to go with a new one, so my task:
Repair the DNS on the server
Login all accounts to the server.
EASY?, not so fast..
The person that created the server had the brilliant Idea to name the server as:
my.first.server.com (name just changed for safety but XXXX.XXXX.XXXX.COM is real)
I have tried a few things but so far:
from a windows 7 pro:
Uder Computer Properties/ Change Settings
Either using Network ID or Change.
Trying the full domain name:
An active directory domain controller for the domain my.first.server.com could not be contacted.. etc.
The following error occurred when DNS was queried for the service location (SRV) resource record used to locate an Active Dir. Domain Contrlr. for Domain my.first.server.com
The error was DNS name does not exist
error code 0x0000232B RCODE_NAME_ERROR

The computer is able to find the domain, asks for an account with admin rights then:
I enter my Admin Name and Password for the domain, then:
Computer Name/Domain Changes
The following error occurred attempting to join the domain "OurOFFICE"
An attempt to resolve the DNS name of a domain controller in the domain being Joined has failed. Please verify this client is configured to reach a DNS server that can resolve DNS names in the target domain. etc....

Now the server nslookup results:
Microsoft Windows [Version 5.2.3790]
(C) Copyright 1985-2003 Microsoft Corp.

C:\Documents and Settings\Maurice>nslookup
Default Server:  localhost

> nslookup my.first.server.com
DNS request timed out.
    timeout was 2 seconds.
Server: my.first.server.com

> nslookup OurOFFICE
Server: servername.my.first.server.com
Aliases:  OurOFFICE.my.first.server.com

DNS request timed out.
    timeout was 2 seconds.
*** Request to zacoalco timed-out

The computer is pointing to as DNS (which of course closes the internet unless I add a secondary DNS after)

So my choices are:
- anyone that can help me guiding me to repair this mess.
- Maybe create a new zone?

Major issue is the domain name: my.first.server.com that I think is a mess trying to change, demoting/promoting etc. so is there a more viable solution top this mess...

Thanks for any insight.
Question by:Maurice Loucel
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LVL 37

Assisted Solution

Mahesh earned 1000 total points
ID: 40465057
How many users and computers do you have?

Try below

1st of all replace IP with server own IP
I don't know why server is pointing to public IP in dns directly
If that IP is DNS server, you can add it to forwarders

Now navigate to %systemroot%\system32\config and rename netlogon.dns to netlogon.dnsold
Then restart netlogon service
Then run below command on DC from command prompt

netdiag /fix
In order to execute above command you must install 2003 support tools on server, you will get it from MS site free.

Then run cmd on server and then run
It should resolve to proper fqdn and IP

After that check if server NS record, Host(A) record and CNMAE record is intact
 Then try to join workgroup computer to this single domain

If this is small environment without MS exchange and without any AD dependent applications, one alternative could be just uninstall AD and DNS from this server and build new AD
In order to remove AD, you might need to run DCPromo /forceremoval command on DC followed by uninstall dns role
Then join all computers to new domain one by one
and create new users as well

Author Comment

by:Maurice Loucel
ID: 40465081
Thanks Mahesh, but is not a public ip, that's called the localhost so is just pointing back to itself same as using the server IP.

Assisted Solution

FinServCo earned 500 total points
ID: 40465131
His point is that you shouldn't be using the localhost IP, but the server's actual assigned IP.

E.g., if your AD DNS server is, then in the IP settings of the NIC, the first DNS server should be, not  You may think there's no difference, but it sometimes does make a difference.

Additionally, as he said, one or more forwarders should be set up in the DNS service pointing to your ISP's DNS servers.

Then the client should have it's DNS pointing to (in this example)  

If you have multiple DCs (which you should have at least two) and multiple DNS servers (I recommend it), then each of the DNS servers should have their NIC set to point to it's own IP address and should have forwarders set.
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LVL 40

Assisted Solution

footech earned 500 total points
ID: 40465222
You should also run the following to check for errors.
dcdiag /test:dns /v
dcdiag /v

Author Comment

by:Maurice Loucel
ID: 40465242
Yes that is a good point.. My apologies, I'll try tonight and I'll create those forwarders to the current DNS.
Will post my results later.

Many thanks to you gurus..
LVL 37

Expert Comment

ID: 40465459
The detailed explanations given by FinservCo are absolutely perfect and worth.

Author Comment

by:Maurice Loucel
ID: 40465908
I did all the steps as advised but I guess my only choice is as Mahesh advise to remove the problem and reinstall, unless you guys have a better Idea, I have attached all TXT files of the 3 tests requiered:

I hope not to have to redo, just restarting this OLD monster is a pain on the neck.
- This is the ONLY server DC, DNS, etc. NO EXCHANGE, NO IIS.
- Used only as a File Server
about 120 users 80 constant, contains some folders that are ADMIN ONLY, and other bells and whistles that has taken me a few hairs to figure out permissions and security.

Thank you.
LVL 37

Accepted Solution

Mahesh earned 1000 total points
ID: 40466244
The tests are OK
You need to remove entry from DNS, network cards and from every where
Also I guess you have given TWO adapters to domain controller which are not required.
I am not sure why there are TWO adapters to domain controller with same IP range?

Just keep one adapter and ensure that IP will be kept on client machines as preferred dns server
Then restart dns and netlogon service and check if it works

Better you could just add ADC after your issue gets resolved.

If you build new DC, for 80 computers you will take much time to rejoin those machines to new domain and also you need to tackle profile migration as well as new users will get new user profiles and this will leads to user dissatisfaction.

Expert Comment

ID: 40466927
About the dual adapters.  Domain controllers should never be multi-homed (have more than 1 IP address).  If your adapters support teaming, then they could be teamed with the one IP address.  That way if one gets disconnected the other will still work.

Author Comment

by:Maurice Loucel
ID: 40467157
Thank you Mahesh and FinServCo, this is my nightmare Legacy, this server was untouched for the last 10 years working with XP machines, when I took over (about a week ago) I thought it was going to be a walk in the park, boy I was wrong.
Once I start the migration to windows 7 Hell broke loose with DNS, so I use the back door and simply avoid joining the domain and simply using the account name and password so the server would at least provide access to the users, it worked.
I have no Idea why it has 2 nics but I will disable 250 since it seems is the one unused, and adding an Application DC, I don't thing the owner will allow me, but thanks for the insight.
Also I weighted moving to Virtual but no can do, and the more I dig into the folders and documents the more I believe I should stick with this and fix the DNS, thankfully the backup somehow works I've check that every single file is accounted for, they use a NAS backup and SOS in the cloud, so files even if the server goes down are protected.
I'm going to check that dns entry, since is part of the dns from the provider.
I'll keep you posted.

Author Comment

by:Maurice Loucel
ID: 40467352
I added the forwarder and got rid of the extra DNS, disabled the NIC, tested Internet in the server and the DNS is now working Hoorah, not so fast..
I'll close and give you guys the points because the DNS is finally working in this server but I will open another post since the windows pc's still dont like the server, so I guess is a different task.
Thank you for your help to both.
LVL 40

Expert Comment

ID: 40467353
Just make sure if you're using DHCP for all the workstation computers that they're being assigned the correct IP from the DC (the one you don't remove) to use as a DNS server, and no other.

Author Closing Comment

by:Maurice Loucel
ID: 40467364
Thank you, it has been a nightmare for me but thanks to Mahesh and FinServCo, I solve 1 of my issues, now I need to tackle the other one.

Author Comment

by:Maurice Loucel
ID: 40467392
Thanks also footech but DHCP does not come from the DC, and even though the DNS on the computers is pointing to the server once I do that the Internet goes off, (but it works in the server after setting up the forwarders, I'll create another thread and explain better.
Thanks for your concern.
LVL 40

Expert Comment

ID: 40467645
The setting should be the same whether you're using DHCP on the server or on some other device.  The DNS IP handed out should only be that of the server (otherwise you're likely to experience problems).  The server should resolve DNS queries on behalf of the workstations in order to reach resources on either the internal network or the internet.  But as you said, you can open another question if you need more assistance.

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