[THIN] Re: Replacing DCs in a Citrix farm

  • From: "Wilson, Tyfanie" <twilson@xxxxxxxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Tue, 3 Jun 2003 15:04:30 -0600

Thank you so much for your help.  I have one question about something =
you wrote:
" Make sure that your TSEs point to the new licensing
server - it's a registry setting."

This means make sure that the other terminal servers point to the server =
with the licenses, correct?  I'm planning on turning off the citrix =
servers, then switching out the BDC... they shouldn't have any problem =
finding it again when they are turned on as it is named the same thing, =
same IP as well, should they?
If they will have problems (maybe the SID changes in AD since there is a =
new NIC?), do you know where I'd find this registry setting and any more =
info on it?

On a slightly different note, when you re-install the Terminal Services =
Licensing, does it start again from scratch, or will I still need to =
call  Microsoft to have them all reissued?  (It will remember which =
license was issued to whom?)

~*~

-----Original Message-----
From: Steve Snyder [mailto:steven_snyder@xxxxxxxxx]=20
 --- "Wilson, Tyfanie" <twilson@xxxxxxxxxxxx> wrote:
> Current setup:  2DC's, upgraded from NT4 to W2K long
> ago, and so still named PDC & BDC.  Running: DNS,
> DHCP, AD
> =20
> Current plan:  First:  Demote the old BDC and remove
> it from the network (reset AD), install new BDC &
> DCpromo it.  This will replicate the AD from the
> PDC. =20
> Question #1:  Will it replicate the DNS when it does
> the AD?

If the DNS zone is AD-integrated, yes. If it isn't,
you may want to copy the zone files to the new bdc.

> Question #2:  Do the Domain (controller) Security
> policies get copied during this?

I don't know - I'd create a template for a backup that
can be copied over.

> Question #3:  Can I run in Native mode if I have w98
> machines on the network (not a citrix connection, a
> network connected computer), but everything else is
> W2K, XP, Linux?  (All of the servers are W2K, I'm
> betting it's already in Native mode.  How can I
> tell, btw?)

As long as you have no NT4 domain controllers, you can
run in native mode, and you should do this if you can.
You can find out in AD Users and Computers, Domain
properties.

> =20
> Next:  Install Term Serv licensing on BDC. Switch
> over the FSMO roles from PDC to BDC, set BDC to run
> the Global Catalog, unpromote old PDC & unplug it
> from network (reset AD for PDC on BDC),=20

Make sure that your TSEs point to the new licensing
server - it's a registry setting.

> Question #4:  Currently, both servers are running
> the Global Catalog.  Is this a good practice to
> continue?

No. One GC is enough in a single site.

> Question #5:  What problems will PDC have with
> Terminal Services licensing being on the BDC while
> it's offline?  (I assume you just can't log in
> through Term Services.)

Assuming the worse - that your PDC is your TSE - users
may not be able to logon is their TCAL is at the end
of its 90-day lease, or they've never been issued a
TCAL.

> .bat files, but does anyone see something I have
> overlooked, or know of some good sites that I should
> look at before going through with this? =20
> =20

www.thethin.net is the only site that you need for
your TSE needs! And of course, www.osmess.com will
have answers for all of your other Windows networking
questions.

Now where's my $20 Jim?  :)

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