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preped domain for exchange 2007 [message #382610] Tue, 02 February 2010 10:37 Go to next message
Sawyer  is currently offline Sawyer
Messages: 315
Registered: July 2009
Senior Member
Hello all

When we installed Exchange 2007 into AD, we prepped the entire AD forest,
and what we should have done was only prep the domain that we installed
exchange into and that also had all the user accounts in it. Our production
AD domain looks like this. Exchange is not installed in pqa, and pqa doesn't
contain any user accounts that have mailboxes. The problem I am running into
with the pqa being prepped for exchange is, the pqa domain controllers are
GC and they are in the same AD site as the exchange servers, so exchange is
finding them and sometimes it is looking at them when I run the exchange
management shell and search for objects. Can I remove all the exchange
attributes from this domain and if so will this stop exchange 2007 from
looking at these DC's?

corp.mydomain.com
Exchange 2007
all the user accounts

pqa.corp.mydomain.com
some production servers
Re: preped domain for exchange 2007 [message #382893 is a reply to message #382610] Tue, 02 February 2010 15:07 Go to previous messageGo to next message
meiweb  is currently offline meiweb  Germany
Messages: 2225
Registered: September 2009
Senior Member
Hello Sawyer,

If you have run the exchange schema upgrades they cannot be removed. Running
them is a not reversable step as far as i know.

Best regards

Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm


> Hello all
>
> When we installed Exchange 2007 into AD, we prepped the entire AD
> forest, and what we should have done was only prep the domain that we
> installed exchange into and that also had all the user accounts in it.
> Our production AD domain looks like this. Exchange is not installed in
> pqa, and pqa doesn't contain any user accounts that have mailboxes.
> The problem I am running into with the pqa being prepped for exchange
> is, the pqa domain controllers are GC and they are in the same AD site
> as the exchange servers, so exchange is finding them and sometimes it
> is looking at them when I run the exchange management shell and search
> for objects. Can I remove all the exchange attributes from this domain
> and if so will this stop exchange 2007 from looking at these DC's?
>
> corp.mydomain.com
> Exchange 2007
> all the user accounts
> pqa.corp.mydomain.com
> some production servers
Re: preped domain for exchange 2007 [message #383161 is a reply to message #382610] Wed, 03 February 2010 01:25 Go to previous messageGo to next message
aceman  is currently offline aceman  United States
Messages: 5816
Registered: July 2009
Senior Member
"sawyer" <occompguy@cox.net> wrote in message
news:212DA382-03B3-465D-8636-E9C58F81C81A@microsoft.com...
> Hello all
>
> When we installed Exchange 2007 into AD, we prepped the entire AD forest,
> and what we should have done was only prep the domain that we installed
> exchange into and that also had all the user accounts in it. Our
> production AD domain looks like this. Exchange is not installed in pqa,
> and pqa doesn't contain any user accounts that have mailboxes. The problem
> I am running into with the pqa being prepped for exchange is, the pqa
> domain controllers are GC and they are in the same AD site as the exchange
> servers, so exchange is finding them and sometimes it is looking at them
> when I run the exchange management shell and search for objects. Can I
> remove all the exchange attributes from this domain and if so will this
> stop exchange 2007 from looking at these DC's?
>
> corp.mydomain.com
> Exchange 2007
> all the user accounts
>
> pqa.corp.mydomain.com
> some production servers


As Meinolf said, no, you can't undo a /prepdomain in a domain once it's been
run. But it shouldn't be a problem with choosing which DC and GC it uses.
Exhange 2007 will evaluate the Site for DC/GCs every 30 minutes, and it gets
it from AD's Site information,. So if Sites have been setup properly, or you
can rearrange DCs in a Site, it will not pick a DC or GC in that site.

How are your sites setup in relation to your child domains?

Here's a quote from:
http://www.experts-exchange.com/Software/Server_Software/Ema il_Servers/Exchange/Q_23851852.html

====
tigermatt:
Exchange will automatically detect a DC and a GC to use when the services
are started, and Exchange will continue to use that DC until either the
services / server is restarted (so it will go and look for one again), or
the DC becomes unavailable, when Exchange searches for a new DC after about
30 minutes.

If Exchange is detecting a DC in a site other than the local one, you first
need to verify you have configured each site in Active Directory Sites and
Services and associated each site with its IP subnet. Exchange 2007, unlike
previous versions, uses the Active Directory information to select DCs, so
it is crucial the sites are correctly defined and each site's DCs can be
found within the appropriate site's 'Servers' container.

Bear in mind that Exchange REQUIRES a GC as well as a DC, so make sure at
least one of the local DCs is also a Global Catalog server, otherwise
Exchange will have to look in another site to get the appropriate data from
another GC server.

-tigermatt
====

--
Ace

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

Please reply back to the newsgroup or forum for collaboration benefit among
responding engineers, and to help others benefit from your resolution.

Ace Fekay, MVP, MCT, MCITP EA, MCTS Windows 2008 & Exchange 2007, MCSE &
MCSA 2003/2000, MCSA Messaging 2003
Microsoft Certified Trainer
Microsoft MVP - Directory Services

If you feel this is an urgent issue and require immediate assistance, please
contact Microsoft PSS directly. Please check http://support.microsoft.com
for regional support phone numbers.
Re: preped domain for exchange 2007 [message #383470 is a reply to message #383161] Wed, 03 February 2010 10:17 Go to previous messageGo to next message
Sawyer  is currently offline Sawyer
Messages: 315
Registered: July 2009
Senior Member
My child domain DC's are in the same AD site as Exchange and the DC's of the
parent domain, so because of this Exchange will sometimes use the child
domain DC's and this causes issues when trying to find AD objects. It looks
like I will need to create another AD site and move those DC from the child
domain into the new site. When I create a new AD site, do I also have to
create a new IP subnet, or can I use the same IP subnet that the child
domain DC's are currently in? it is going to be a pain if I have to re ip
the child domain DC and then all the member servers that are in the child
domain

Many thanks Ace

"Ace Fekay [MVP-DS, MCT]" <aceman@mvps.RemoveThisPart.org> wrote in message
news:OuRtrpKpKHA.5520@TK2MSFTNGP05.phx.gbl...
> "sawyer" <occompguy@cox.net> wrote in message
> news:212DA382-03B3-465D-8636-E9C58F81C81A@microsoft.com...
>> Hello all
>>
>> When we installed Exchange 2007 into AD, we prepped the entire AD forest,
>> and what we should have done was only prep the domain that we installed
>> exchange into and that also had all the user accounts in it. Our
>> production AD domain looks like this. Exchange is not installed in pqa,
>> and pqa doesn't contain any user accounts that have mailboxes. The
>> problem I am running into with the pqa being prepped for exchange is, the
>> pqa domain controllers are GC and they are in the same AD site as the
>> exchange servers, so exchange is finding them and sometimes it is looking
>> at them when I run the exchange management shell and search for objects.
>> Can I remove all the exchange attributes from this domain and if so will
>> this stop exchange 2007 from looking at these DC's?
>>
>> corp.mydomain.com
>> Exchange 2007
>> all the user accounts
>>
>> pqa.corp.mydomain.com
>> some production servers
>
>
> As Meinolf said, no, you can't undo a /prepdomain in a domain once it's
> been run. But it shouldn't be a problem with choosing which DC and GC it
> uses. Exhange 2007 will evaluate the Site for DC/GCs every 30 minutes, and
> it gets it from AD's Site information,. So if Sites have been setup
> properly, or you can rearrange DCs in a Site, it will not pick a DC or GC
> in that site.
>
> How are your sites setup in relation to your child domains?
>
> Here's a quote from:
> http://www.experts-exchange.com/Software/Server_Software/Ema il_Servers/Exchange/Q_23851852.html
>
> ====
> tigermatt:
> Exchange will automatically detect a DC and a GC to use when the services
> are started, and Exchange will continue to use that DC until either the
> services / server is restarted (so it will go and look for one again), or
> the DC becomes unavailable, when Exchange searches for a new DC after
> about 30 minutes.
>
> If Exchange is detecting a DC in a site other than the local one, you
> first need to verify you have configured each site in Active Directory
> Sites and Services and associated each site with its IP subnet. Exchange
> 2007, unlike previous versions, uses the Active Directory information to
> select DCs, so it is crucial the sites are correctly defined and each
> site's DCs can be found within the appropriate site's 'Servers' container.
>
> Bear in mind that Exchange REQUIRES a GC as well as a DC, so make sure at
> least one of the local DCs is also a Global Catalog server, otherwise
> Exchange will have to look in another site to get the appropriate data
> from another GC server.
>
> -tigermatt
> ====
>
> --
> Ace
>
> This posting is provided "AS-IS" with no warranties or guarantees and
> confers no rights.
>
> Please reply back to the newsgroup or forum for collaboration benefit
> among responding engineers, and to help others benefit from your
> resolution.
>
> Ace Fekay, MVP, MCT, MCITP EA, MCTS Windows 2008 & Exchange 2007, MCSE &
> MCSA 2003/2000, MCSA Messaging 2003
> Microsoft Certified Trainer
> Microsoft MVP - Directory Services
>
> If you feel this is an urgent issue and require immediate assistance,
> please contact Microsoft PSS directly. Please check
> http://support.microsoft.com for regional support phone numbers.
>
>
>
>
Re: preped domain for exchange 2007 [message #383831 is a reply to message #383470] Wed, 03 February 2010 19:09 Go to previous messageGo to next message
aceman  is currently offline aceman  United States
Messages: 5816
Registered: July 2009
Senior Member
"sawyer" <occompguy@cox.net> wrote in message
news:25989823-DE9C-4A69-A4C9-A2D9F3F346D4@microsoft.com...
> My child domain DC's are in the same AD site as Exchange and the DC's of
> the parent domain, so because of this Exchange will sometimes use the
> child domain DC's and this causes issues when trying to find AD objects.
> It looks like I will need to create another AD site and move those DC from
> the child domain into the new site. When I create a new AD site, do I also
> have to create a new IP subnet, or can I use the same IP subnet that the
> child domain DC's are currently in? it is going to be a pain if I have to
> re ip the child domain DC and then all the member servers that are in the
> child domain
>
> Many thanks Ace

Curious, if you go into EMC, Server Config, highlight the Ex server,
properties, which DCs is it using?

If you click on Modify Config DC, which one is it set to use?

Other than that, yes, Sites is the way to go. Sites are based on IP subnets.
One IP subnet cannot be part of two AD Sites.

Ace
Re: preped domain for exchange 2007 [message #384346 is a reply to message #383831] Thu, 04 February 2010 12:30 Go to previous messageGo to next message
Sawyer  is currently offline Sawyer
Messages: 315
Registered: July 2009
Senior Member
Hi Ace

When I go into server config, the exchange server is using the proper DC's
it's the DC's in the parent and same domain as exchange, so this is good.
When I click on "modify configuration domain controller" currently the
setting is blank, it doesn't show anything. I set the "domain" to the parent
domain name and the configuration domain controller to one of the DC's in
the parent domain. Maybe this was causing the issue? If I hard code the
configuration domain controller to one DC, does that mean that if that DC is
offline Exchange will not search for another DC in the domain?

Thanks

"Ace Fekay [MVP-DS, MCT]" <aceman@mvps.RemoveThisPart.org> wrote in message
news:uqTEJ8TpKHA.5696@TK2MSFTNGP04.phx.gbl...
> "sawyer" <occompguy@cox.net> wrote in message
> news:25989823-DE9C-4A69-A4C9-A2D9F3F346D4@microsoft.com...
>> My child domain DC's are in the same AD site as Exchange and the DC's of
>> the parent domain, so because of this Exchange will sometimes use the
>> child domain DC's and this causes issues when trying to find AD objects.
>> It looks like I will need to create another AD site and move those DC
>> from the child domain into the new site. When I create a new AD site, do
>> I also have to create a new IP subnet, or can I use the same IP subnet
>> that the child domain DC's are currently in? it is going to be a pain if
>> I have to re ip the child domain DC and then all the member servers that
>> are in the child domain
>>
>> Many thanks Ace
>
> Curious, if you go into EMC, Server Config, highlight the Ex server,
> properties, which DCs is it using?
>
> If you click on Modify Config DC, which one is it set to use?
>
> Other than that, yes, Sites is the way to go. Sites are based on IP
> subnets. One IP subnet cannot be part of two AD Sites.
>
> Ace
>
>
>
Re: preped domain for exchange 2007 [message #384499 is a reply to message #384346] Thu, 04 February 2010 15:34 Go to previous messageGo to next message
aceman  is currently offline aceman  United States
Messages: 5816
Registered: July 2009
Senior Member
"sawyer" <occompguy@cox.net> wrote in message
news:1E6AB487-C089-4085-BA75-8A341E48B6F4@microsoft.com...
> Hi Ace
>
> When I go into server config, the exchange server is using the proper DC's
> it's the DC's in the parent and same domain as exchange, so this is good.
> When I click on "modify configuration domain controller" currently the
> setting is blank, it doesn't show anything. I set the "domain" to the
> parent domain name and the configuration domain controller to one of the
> DC's in the parent domain. Maybe this was causing the issue? If I hard
> code the configuration domain controller to one DC, does that mean that if
> that DC is offline Exchange will not search for another DC in the domain?
>
> Thanks
>


Yes and no. This should be the prefferred, however it may (can't remember
exactly at the moment) look elsewhere within 30 min if the preferred is not
responding.

Let's see how this works. Monitor it and report back.

Ace
Re: preped domain for exchange 2007 [message #385068 is a reply to message #384499] Fri, 05 February 2010 09:58 Go to previous messageGo to next message
Sawyer  is currently offline Sawyer
Messages: 315
Registered: July 2009
Senior Member
Ok sounds good, thanks again

"Ace Fekay [MVP-DS, MCT]" <aceman@mvps.RemoveThisPart.org> wrote in message
news:e6ndyoepKHA.2076@TK2MSFTNGP05.phx.gbl...
> "sawyer" <occompguy@cox.net> wrote in message
> news:1E6AB487-C089-4085-BA75-8A341E48B6F4@microsoft.com...
>> Hi Ace
>>
>> When I go into server config, the exchange server is using the proper
>> DC's it's the DC's in the parent and same domain as exchange, so this is
>> good. When I click on "modify configuration domain controller" currently
>> the setting is blank, it doesn't show anything. I set the "domain" to the
>> parent domain name and the configuration domain controller to one of the
>> DC's in the parent domain. Maybe this was causing the issue? If I hard
>> code the configuration domain controller to one DC, does that mean that
>> if that DC is offline Exchange will not search for another DC in the
>> domain?
>>
>> Thanks
>>
>
>
> Yes and no. This should be the prefferred, however it may (can't remember
> exactly at the moment) look elsewhere within 30 min if the preferred is
> not responding.
>
> Let's see how this works. Monitor it and report back.
>
> Ace
>
Re: preped domain for exchange 2007 [message #385594 is a reply to message #385068] Sat, 06 February 2010 09:32 Go to previous message
aceman  is currently offline aceman  United States
Messages: 5816
Registered: July 2009
Senior Member
"sawyer" <occompguy@cox.net> wrote in message
news:0429131E-231A-49B6-A40F-DD98BB3BB6D4@microsoft.com...
> Ok sounds good, thanks again
>

You are welcome.

Ace
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