Adding BDC to SBS2003

I've been buiding my SBS2003 server from a crashed 2000 server mostly because of loosing my AD.  I'm determined to not have this again so I want to run a BDC.  I have my main server running just fine setup as a SBS2003 server.  Now I have copy of that server's HD that I want to put into a low power machine and just have it replicate my AD and slow file storage.

1.  Obviously I have two PDCs now so I need to know how to demote one offline so I don't have a mess if I bring them up on the same network.  My intention is to rename the off line server and demote it.  Also remove all of the other sevices and apps like sql and exchange just to keep it cleaner.

2.  Are there any issues with SBS2003 support BDC operation (read something about this)?

3.  I really don't want to reinstall SBS again, I've done it enough recovering from my crash.

4.  Any licensing issues?  If this is feasible, I will get another SBS2003 license to keep it legal.
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Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
A bit of clarification first...

Since Windows 2000, there is really no such thing as a BDC (or a PDC for that matter).  The current terminology is whether a server holds the FSMO Roles (background:, which in SBS-land must be the Small Business Server.

Any other Windows 2000 or 2003 Server in an SBS network can act as an additional DOMAIN CONTROLLER.

Okay, now to answer your questions.

1.  You CAN'T do this the way that you are thinking.  You cannot deploy another SBS in the same domain.  Only one SBS is allowed.  Your thought to rename and demote it offline is rather interesting... but it will not help you.  Because even if you COULD do this, renaming the machine won't change it's SID's.  Your ONLY choice is to deploy a second Server 2000 or Server 2003.  

2.  You can certainly have an additional domain controller in your network.  See for the how-to.

3.  You won't be doing that for this particular project.

4.  The additional server will require it's own server license, and it will take up one SBS CAL.

All this being said, I don't know if it really answers your primary concern which is disaster recovery and business continuity.  There's a lot to consider in this regard, and just having a "backup server" is only a piece of the complete picture.  I'd suggest that you review this SBS-Podcast which covers the topic quite well:

You can then determine what is right for your particular needs.


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