DNS record, what that ???

[azzurri]

Hi all,

I've some DNS problems....
Started netdiag / showreps and got a log with inside some error messages. I do not exactly understand what it means.
Could someone help me ?
To your information: 2 DCs are been replaced with 2 new DCs with the same name and IP address....
Unfortunatly I do not how they did the migration.

LOGS:

The record on your DC is:
DNS NAME = _ldap._tcp.AMMANN-Langenthal._sites.INDUSTRIE.AMMANN.INTRA.
DNS DATA =
SRV 0 100 389 DCCHLA07.INDUSTRIE.AMMANN.INTRA.

The record on DNS server 172.16.8.46 is:
DNS NAME = _ldap._tcp.AMMANN-Langenthal._sites.INDUSTRIE.AMMANN.INTRA
DNS DATA =
SRV 0 100 389 dcchla07.industrie.ammann.intra
SRV 0 100 389 dcchla04.industrie.ammann.intra
+------------------------------------------------------+

Query for DC DNS entry _ldap._tcp.ca9a7afa-e10f-4994-8906-0889ae68ba8e.domains._msdcs.AMMANN.INTRA. on DNS server 172.16.8.46 failed.
DNS Error code: DNS_ERROR_RCODE_NAME_ERROR (Name does not exist on DNS server)
Query for DC DNS entry f4339092-e7f6-4a1a-b81f-cf27d8f45a8a._msdcs.AMMANN.INTRA. on DNS server 172.16.8.46 failed.
DNS Error code: DNS_ERROR_RCODE_NAME_ERROR (Name does not exist on DNS server)
The Record is different on DNS server '172.16.8.46'.
DNS server has more than one entries for this name, usually this means there are multiple DCs for this domain.
Your DC entry is one of them on DNS server '172.16.8.46', no need to re-register.

+------------------------------------------------------+
The record on your DC is:
DNS NAME = _kerberos._tcp.dc._msdcs.INDUSTRIE.AMMANN.INTRA.
DNS DATA =
SRV 0 100 88 DCCHLA07.INDUSTRIE.AMMANN.INTRA.

The record on DNS server 172.16.8.46 is:
DNS NAME = _kerberos._tcp.dc._msdcs.INDUSTRIE.AMMANN.INTRA
DNS DATA =
SRV 0 100 88 dcchsc01.industrie.ammann.intra
SRV 0 100 88 dcpowa01.industrie.ammann.intra
SRV 0 100 88 dcchla04.industrie.ammann.intra
SRV 0 100 88 dcchla07.industrie.ammann.intra
SRV 0 100 88 dccnsh01.industrie.ammann.intra

AND......

+------------------------------------------------------+
The record on your DC is:
DNS NAME = _kpasswd._udp.INDUSTRIE.AMMANN.INTRA.
DNS DATA =
SRV 0 100 464 DCCHLA07.INDUSTRIE.AMMANN.INTRA.

The record on DNS server 172.16.8.46 is:
DNS NAME = _kpasswd._udp.INDUSTRIE.AMMANN.INTRA
DNS DATA =
SRV 0 100 464 dcchsc01.industrie.ammann.intra
SRV 0 100 464 dcchla04.industrie.ammann.intra
SRV 0 100 464 dcpowa01.industrie.ammann.intra
SRV 0 100 464 dcchla07.industrie.ammann.intra
SRV 0 100 464 dccnsh01.industrie.ammann.intra
+------------------------------------------------------+

The Record is correct on DNS server '172.16.8.46'.

Query for DC DNS entry _ldap._tcp.gc._msdcs.AMMANN.INTRA. on DNS server 172.16.8.46 failed.
DNS Error code: DNS_ERROR_RCODE_NAME_ERROR (Name does not exist on DNS server)
Query for DC DNS entry _ldap._tcp.AMMANN-Langenthal._sites.gc._msdcs.AMMANN.INTRA. on DNS server 172.16.8.46 failed.
DNS Error code: DNS_ERROR_RCODE_NAME_ERROR (Name does not exist on DNS server)
Query for DC DNS entry gc._msdcs.AMMANN.INTRA. on DNS server 172.16.8.46 failed.
DNS Error code: DNS_ERROR_RCODE_NAME_ERROR (Name does not exist on DNS server)
Query for DC DNS entry _gc._tcp.AMMANN.INTRA. on DNS server 172.16.8.46 failed.
DNS Error code: DNS_ERROR_RCODE_NAME_ERROR (Name does not exist on DNS server)
Query for DC DNS entry _gc._tcp.AMMANN-Langenthal._sites.AMMANN.INTRA. on DNS server 172.16.8.46 failed.
DNS Error code: DNS_ERROR_RCODE_NAME_ERROR (Name does not exist on DNS server)
The Record is different on DNS server '172.16.8.46'.
DNS server has more than one entries for this name, usually this means there are multiple DCs for this domain.
Your DC entry is one of them on DNS server '172.16.8.46', no need to re-register.

+------------------------------------------------------+
The record on your DC is:
DNS NAME = _ldap._tcp.Alfeld._sites.INDUSTRIE.AMMANN.INTRA.
DNS DATA =
SRV 0 100 389 DCCHLA07.INDUSTRIE.AMMANN.INTRA.

The record on DNS server 172.16.8.46 is:
DNS NAME = _ldap._tcp.Alfeld._sites.INDUSTRIE.AMMANN.INTRA
DNS DATA =
SRV 0 100 389 dcchla07.industrie.ammann.intra
SRV 0 100 389 dcchla04.industrie.ammann.intra
+------------------------------------------------------+

 

[markdmac]

Sounds like a botched migration to me.

First off it is a really bad idea to re-use the name. Better to bring the new servert online with the old and transfer over FSMO roles and GC roles.

Most likely you need to DCPROMO the servers out and back into the domain, one at a time. After you take the first DC out of the domain, make sure that AD is aware it is no longer part of the domain. You can use the script at the end of my FAQ to do that. faq96-4733. Delete any entries for the server in DNS.

Next DCPromo the server back in and repeat the process for the other server.

I hope you find this post helpful.

Regards,

Mark

Check out my scripting solutions at

http://www.thespidersparlor.com/vbscript

 

[azzurri]

Thanks markdmac,

it's true the problem has arised after a "quite finished" migration.
I was not involved but now I've to find THE solution.

1) The target should be the AD migration from W2K to W2K3
2) As first step one W2k DC has been stopped and replaced with a WIN2003 DC with the same name and IP address
3) A second W2K DC still exists in the domain
4)Problem 1: The new DC "desappears" twice a week, that is it is running but has no access to the domain
5) Problem 2: when the new DC do not run the clients cannot login, the second DC (W2K)do not really work as DC.

I know its a really horror story but it is the true.

regards
azzurri

 

[markdmac]

I have already suggested how to rectify the situation.

I hope you find this post helpful.

Regards,

Mark

Check out my scripting solutions at

http://www.thespidersparlor.com/vbscript

 

[azzurri]

I'll try , thanks