DCPROMO 2008 r2 no Authoritative DNS Servers

Current AD domain is 2003 servers schema updated using adprep for 2008 R2.

I am running the DCPROMO wizard on WIndows 2008R2 server and get the following listing on the screen where it asks which services to install DNS, Global Catalog:

There are currently no DNS servers registered as authoritative name servers for this domain.

A domain controller running Windows Server 2008 or Windows Server 2008 R2 could not be located in this domain. To install a read-only domain controller, the domain must have a domain controller running Windows Server 2008 or Windows Server 2008 R2.



I do a nslookup from the server for the domain and receive the authoritative response from the current DNS servers.

Checked and the ZOne lists the current DNS servers, I do want to install DNS on this server but am concerned that it is saying there are no authoritative DNS servers, I do not want to destroy the existing DNS.

Any advice greatly apreciatted.
hpeetAsked:
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Mike KlineCommented:
Are you trying to install an RODC or a regular DC.   If RODC you will first have to have a 2008 DC in the domain.
Thanks
Mike
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hpeetAuthor Commented:
It is a 2008 R2 Standard installation that I am running the DCPROMO wizard on.

THanks

Harold
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Mike KlineCommented:
On that screen where DNS and Global Catalog are checked is RODC checked also?
Thanks
Mike
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hpeetAuthor Commented:
No it is actually Greyed out and not selectable.

Harold
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Krzysztof PytkoSenior Active Directory EngineerCommented:
How did you configure your W2K8 R2 NIC ? Is there in DNS IP section, IP address of DNS server from your network configured (probably one of your W2K3 servers - if you have AD-I DNS then it's your DC)?

Then you can start dcpromo process.
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hpeetAuthor Commented:
Hello:

I have the NIC DNS entry pointing to the DNS server that is listed as the SOA for the Active Directory Zone it is a 2003 server.

NSlookup on the server shows returns the proper information but still get the message.

There are currently no DNS servers registered as authoritative name servers for this domain.

A domain controller running Windows Server 2008 or Windows Server 2008 R2 could not be located in this domain. To install a read-only domain controller, the domain must have a domain controller running Windows Server 2008 or Windows Server 2008 R2.

Thanks

Harold

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Krzysztof PytkoSenior Active Directory EngineerCommented:
OK, where did you run adprep /forestprep and adprep /domainprep ? Both commands should be performed on W2K3 schema master.
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hpeetAuthor Commented:
They where run in the 2003 server that is the schema master also ran the adprep /domainprep /gpprep and also the adprep /rodcprep.

Thanks
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Krzysztof PytkoSenior Active Directory EngineerCommented:
Is it single domain environment? If so, run additionally adprep /forestprep on your W2K3 schema operation master's server
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hpeetAuthor Commented:
If I run it again it says that is has already been run and no changes are required.

Harold
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Krzysztof PytkoSenior Active Directory EngineerCommented:
OK, could you check your SOA record on DNS server, please? Is it OK?
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hpeetAuthor Commented:
I have checked and re-checked that, the SOA is the DC running dns and is the dns server listed on the server that I am trying to run dcpromo on.

Harold
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Krzysztof PytkoSenior Active Directory EngineerCommented:
try to run in cmd

nslookup
set querytype=SOA
<your_domain_fqdn>

and tell me please what do you see.
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hpeetAuthor Commented:
It lists the the server that is the server that dns setting on the NIC is pointing to.

> set querytype=soa
> int.domain.ca
Server:  dom01.int.domain.ca
Address:  192.168.1.70

int.domain.ca
        primary name server = dom01.int.domain.ca
        responsible mail addr = admin.domain.ca
        serial  = 218635
        refresh = 900 (15 mins)
        retry   = 600 (10 mins)
        expire  = 86400 (1 day)
        default TTL = 3600 (1 hour)
dom01.int.domain.ca    internet address = 192.168.1.70

Harold
0
Krzysztof PytkoSenior Active Directory EngineerCommented:
during dcpromo you choose "Existing forest -> Add a domain controller to an existing domain" ? and then that error appears?
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hpeetAuthor Commented:
it is after it finds the sites, you select the site then on the screen where it asks to install DNS and Global Cataloge server then there is an information screen that says.

There are currently no DNS servers registered as authoritative name servers for this domain.

A domain controller running Windows Server 2008 or Windows Server 2008 R2 could not be located in this domain. To install a read-only domain controller, the domain must have a domain controller running Windows Server 2008 or Windows Server 2008 R2.

I am concerned that if I continue it will wipe the existing DNS zone and create a new one?

Harold
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Krzysztof PytkoSenior Active Directory EngineerCommented:
OK, did you try to connect that server to other site? Then you can move it in Sites and Services console.
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hpeetAuthor Commented:
THere is only one site.
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Krzysztof PytkoSenior Active Directory EngineerCommented:
OK, so try to promote new domain controller without DNS role but as a GC. Then we will try to add DNS role after DC will be installed.
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hpeetAuthor Commented:
It gives the same information    There are currently no DNS servers registered as authoritative name servers for this domain.

even if I unselect to install DNS.
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Krzysztof PytkoSenior Active Directory EngineerCommented:
On your first DC, what is DNS configuration (AD-I, primary, secondary) ?
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hpeetAuthor Commented:
Active Directory Integrated.

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Krzysztof PytkoSenior Active Directory EngineerCommented:
run

dcdiag /test:dns

and check results
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hpeetAuthor Commented:
        Summary of DNS test results:

                                              Auth  Basc  Forw  Del     Dyn     RReg    Ext
               ________________________________________________________________
            Domain: int.domain.ca
               dom01                    PASS PASS PASS PASS WARN PASS   n/a

         ......................... int.domain.ca passed test DNS
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Krzysztof PytkoSenior Active Directory EngineerCommented:
Sorry for delay. Did something change in this topic?
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hpeetAuthor Commented:
Nothing changed, it still has the information alert.

I unselected DNS and ran DCPROMO which was succesfull.

THen installed DNS on the new 2008 R2 server, replicated DNS information fine.

Try installing a second 2008 R2 DC and received the same information alert so not sure what is going on but it is not fixed, basically ignored the information and carried on.
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