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Appendix A: Transition Namespaces

Updated: April 11, 2008

Applies To: Windows Server 2008, Windows Server 2008 R2

If you decide to modify your network name resolution infrastructure after you read Disjoint Namespace, you must perform several steps. Whether you want to create a disjoint namespace or transition from a disjoint namespace to a contiguous namespace, you must configure the following components appropriately:

  • Primary Domain Name System (DNS) suffixes

  • Service principal names (SPNs)

  • Group Policy objects (GPOs)

  • Permissions to objects in Active Directory Domain Services (AD DS)

The primary differences between implementing a disjoint namespace and transitioning to a contiguous namespace are as follows:

  • When you transition to a contiguous namespace from a disjoint namespace, you must ensure that the Active Directory domain name and the DNS namespace are identical.

  • When you create a disjoint namespace, you must create different Active Directory and DNS namespaces.

If you create a disjoint namespace accidentally, you can reverse the erroneous steps. The process for reversing the erroneous steps is similar to transitioning a namespace, but not as complex.

For more information about working with disjoint namespaces, see the following topics:

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