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DNS and Active Directory Partitions

This video looks at how DNS data is stored in Active Directory Integrated zones and how it is replicated about the domain or forest. Once you have finished watching this video you will understand how this DNS data is stored in Active Directory and how you can configure the replication of this data at the domain and forest level. Download the PDF handout http://ITFreeTraining.com/handouts/dn... Active Directory Partitions The Active Directory database may be hierarchy in nature but essentially it is a database stored in a single file name NTDS.DIT. Like a drive that may be divided in multiple parts, the Active Directory database is divided in multiple partitions. This is done for organization and replications needs. For example, certain partitions are configured to be replicated at the domain level while other partitions are configured to be replicated at the forest level. Application Directory Partitions This partition is used to store data from applications. This is different from the other partitions as there can be as many or few as required. Since Microsoft DNS server has data that needs to be stored and replicated around the domain or forest, this is a good choice for an application partition. DNS uses application partitions to store the data from Active Directory Integrated zones. Once stored in the application partition, like any other partition in the Active Directory database it is replicated to the required Domain Controllers using the Active Directory replication system. Demonstration Active Directory Service Interfaces Editor (ADSI Edit) is a Lightweight Directory Access Protocol (LDAP) editor that allows modification for the objects and attributes in Active Directory. 1) The ADSIEdit tool is a tool that allows the administrator to see the data stored in the Active Directory database. Unlike other Active Directory tools, this provides a raw method and thus if you use this tool to make changes, changes should be made very carefully. ADSIEdit is found in Administrative Tools under the start menu or in the control panel. If you are using a client operating system like Windows 8, you will need to install remote server administration tools (RAST). 2) To connect to an Active Directory database, right click ADSIEdit and select the option connect to. There are a lot of different options in here. Under the option "select a well known naming context" you can select common partitions, for example Default naming context, configuration, RootDSE and schema. In this particular case I will connect to the configuration partition that contains forest wide configuration information for Active Directory. This partition itself does not contain any DNS data, however it does list the application partitions that are currently being used and thus gives us a better understanding of DNS stored data in Active Directory. 3) To see what partitions are currently configured in Active Directory, expand down through configuration down to partitions. 4) In the partition container there should be entries for the standard partition types Enterprise Configuration, Enterprise Schema and a domain partitions which will be named after your domain. If you have multiple domains, there will be one partition for each domain. Unlike the other partitions which will have a friendly name associated with it, each application partition will have a unique id associated with it in the form of a random appearing string of characters. Description to long for youtube. Please see the following link for the rest of the description. http://itfreetraining.com/dns#adparti... See    / itfreetraining   or http://itfreetraining.com for our always free training videos. This is only one video from the many free courses available on YouTube. References "How to create and apply a custom application directory partition on an Active Directory integrated DNS zone in Windows Server 2003" http://support.microsoft.com/kb/884116 "Repadmin /syncall" http://technet.microsoft.com/en-us/li... http://itfreetraining.com/handouts/dn...