Backup Domain Controller

<networking>

(BDC) A server in a network of Microsoft Windows computers that maintains a copy of the SAM database and handles access requests that the Primary Domain Controller (PDC) doesn't respond to. There may be zero or more BDCs in a network. They increase reliability and reduce load on the PDC.

Last updated: 2006-09-18

Nearby terms:

backup ♦ Backup Domain Controller ♦ backup pumpkin ♦ backup rotation

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