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BDC
Last modified: Wednesday, March 27, 2002 

Short for Backup Domain Controller. BDCs maintain a read-only backup of the PDC's master directory. Although BDCs cannot be changed, they can be upgraded to PDCs and regularly synchronized with PDCs.

Windows 2000 (W2K) approaches the domain controller concept a little differently. Unlike Windows NT, where a PDC must be accessible to make changes to the directory, W2K relies on Active Directory's multimaster replication model to update all domain controllers when only one is updated. There is no PDC or BDC. All domain controllers are equal.

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For internet.com pages about BDC . Also check out the following links!

Related Links

CrossNodes  
Feature articles and opinions on networking and communications.

Become the Multimaster of Your Windows 2000 Network
A 2000 article from CrossNodes.

Understanding PDCs and BDCs
Domain controllers made easy.

related categories

Servers

Windows

related terms

Active Directory

domain

PDC

Windows 2000

Windows NT


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