Windows 2000 Active Directory Replication

Posted on 2002-04-08
Last Modified: 2010-04-13
Dear Friends

I want to replicate the active directory between two domain, when I start the active directory wizward it start replication and after doing some thing it gives me the following message
The operation failed because :
The directory service failed to create the server object for CN=NTDS Setting,CN=MYSERVER,CN=SERVERS,CN=Default-First-Site-Name,CN=Sites,CN=Configuration the network credential provided have sufficient access to add a replica.
"A Service principal Name (SPN) could not be constructed because the provided hostname is not in the necessary format"

I use the administrator account.
Question by:j_bali
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Accepted Solution

JALNIN earned 25 total points
ID: 6928263
First, you don't replicate between domains.  You replicate between domain controllers within the same domain.  

I'll assume that your two domains are not currently part of the same forest.  Hence the lack of communication.

Make sure the Domain controllers from both domains are pointed at a good DNS server that supports SRV records or else you'll never get anything to work right.  On the DNS server you have to setup a Primary zone that corresponds with your domain.  Example:

You have two choices:

Setup a trust between the two domains by using "Active Directory Domains and Trusts".  Right click the domain, select properties, select Trusts tab, click add.  Do the same thing on the other domain and use the same passwords.

Make one of the domains a subdomain of the other and join the forest.  This is pretty invloved.  You have to setup the DNS zone for it.  Setup another domain controler as a subdomain of the forest and then migrate your information to it by using ADMT (Active Directory Migration Tool) a free tool that can be downloaded here 

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