Updated: 11/16/2019 by Computer Hope

BDC may refer to any of the following:

1. Short for backup domain controller, BDC is a backup computer in a Microsoft Windows NT 4 network with a duplicate of the user accounts on that network. These backup accounts are never written to, only read from to help keep the data protected. The BDC was replaced by Windows 2000 Active Directory.

2. Chat slang for big dot com, or big dumb company.

Active Directory, Chat slang, Computer abbreviations, Network terms, PDC