Of course, my lack of concern with his proposal was contingent upon the
validity of his assumption that performance wouldn't be an issue. 

Ed Crowley MCSE+Internet MVP
Freelance E-Mail Philosopher
Protecting the world from PSTs and Bricked Backups!T

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of joe
Sent: Wednesday, November 09, 2005 8:02 AM
To: ActiveDir@mail.activedir.org
Subject: RE: [ActiveDir] Improving your AD's fault tolerance with old
hardware?

Even outside of Exchange I think it depends on how fast the box actually is
and how hard you hit AD.

For a box in the closet to offer a get out of jail because everything else
fails... Ok. But I would be concerned that other machines you don't think of
normally as much as you think of Exchange could find the DC and start using
it and get suboptimal perf from it. 
 
  joe


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Tony Murray
Sent: Tuesday, November 08, 2005 11:08 PM
To: ActiveDir@mail.activedir.org
Subject: RE: [ActiveDir] Improving your AD's fault tolerance with old
hardware?

I'd go along with Ed here.  I can't see too much risk with this approach.  I
wouldn't assign any of the FSMO roles to the old hardware DC, simply because
of the hassle in seizing the roles elsewhere in the event of a severe
hardware failure.   No problem with making the DC as GC though.

Another option to consider is setting up a lag site with the old hardware
DC.  This can be useful for some recovery scenarios as well as the safe
introduction of schema changes.  Search the list archive for recent posts on
the lag site concept.

It is important to ensure that whatever hardware you use is sufficient for
the task.  There are published minimum requirements for Windows Server 2003,
but you should also determine what is the minimum required for your own
environment.  A scenario I have in mind is if you have Exchange 2003 running
in your environment you perhaps don't want it to be using an old DC/GC
that's running like a dog. :-)

Tony

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ed Crowley [MVP]
Sent: Wednesday, 9 November 2005 2:59 p.m.
To: ActiveDir@mail.activedir.org
Subject: RE: [ActiveDir] Improving your AD's fault tolerance with old
hardware?

I remember back in the days of our old 3500-user NT 4.0 domain, back when I
ran an administration group.  We had a nice ProLiant server that was a 486.
We only had one of those.  But because it was manageable through Insight
Agents, we decided to keep it and made it our PDC, since it wasn't terribly
useful for anything else.  We figured that if it were to die, we'd just junk
it and promote another server.  It never did die while I was there, and it
performed fine.

So, although the hardware sales guys at my current employer would crucify me
for saying this, I can't disagree with your approach.

Ed Crowley MCSE+Internet MVP
Freelance E-Mail Philosopher
Protecting the world from PSTs and Bricked Backups!T

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Danny
Sent: Tuesday, November 08, 2005 3:50 PM
To: ActiveDir@mail.activedir.org
Subject: [ActiveDir] Improving your AD's fault tolerance with old hardware?

Correct me if I am wrong, but assuming the more DC's you have in your
forest, the more fault tolerant your Active Directory will become, is it
therefore worth it to use retired, possibly out of (hardware) warranty
servers or workstations for this purpose if you are budget-less (to purchase
new servers)? In this case, I am referring to orgs with 20-200 AD users.

How about GC's and other related AD roles and critical software based
services?  Same deal?

Thank you,

...D
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