> - We will have Exchange 2000 servers in the environment for the
> foreseeable
> future
> - We plan to extend the AD schema to 2008 (/forestprep and
> /domainprep) but
> won't install 2008 DC's until mid-2009
> Before Exchange 2007 I do know that I still need to do the following:
>
> - Install a new W2003 DC in the root domain and transfer the schema
> master
> to it
> - Install a new W2003 DC (with GC) in each child domain
> Here are my questions:
>
> 1.    Should I keep in chronological order in the sense that I should
> do Exchange 2007 schema extensions before I do AD2008 schema
> extensions?

news:ff16fb667e4b8caeb8a1e987482@msnews.microsoft.com...
> Hello -,
>
> See inline.
>
> 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,
>>
>> We are upgrading our AD environment and the setup steps, as well as
>> our mixed-OS environment are making things a little murky for me
>> trying to figure out when and how to prepare our AD forest for
>> Exchange 2007.
>>
>> Here's some quick background info:
>>
>> - We have all Windows 2000 DC's
>> - A week ago, I ran the Exchange 2003 /forestprep (and /domainprep)
>
> But you didn't upgrade to Exchange 2003? So why running the schema
> extension?

>> - We will have Exchange 2000 servers in the environment for the
>> foreseeable
>> future
>> - We plan to extend the AD schema to 2008 (/forestprep and
>> /domainprep) but
>> won't install 2008 DC's until mid-2009
>> Before Exchange 2007 I do know that I still need to do the following:
>>
>> - Install a new W2003 DC in the root domain and transfer the schema
>> master
>> to it
>> - Install a new W2003 DC (with GC) in each child domain
>> Here are my questions:
>>
>> 1.    Should I keep in chronological order in the sense that I should
>> do Exchange 2007 schema extensions before I do AD2008 schema
>> extensions?
>
> You need to prepare the schema at the moment if you install either
> exchange 2007 or a 2008 as DC, not earlier.

> From: http://technet.microsoft.com/en-us/magazine/cc137736.aspx
>
> Also look the last entry from "Exchange_Geek" in this one:
> http://forums.msexchange.org/m_1800479396/mpage_1/key_/tm.htm#1800479417
>
>> 4.    It would appear that the schema extensions are found in
>> /PrepareSchema as well as /PrepareAD, but if /PS has been run then
>> /PAD will skip it, right?
>>
>> 5.    Other than the schema extensions, does it hurt to run one of the
>> steps more than once?
>
> Should not, i think it will complain that the step is done before.
>
>> 6.    In the Technet article
>> http://technet.microsoft.com/en-us/library/bb125224(EXCHG.80).aspx it
>> appears that its steps 1, 2 and 3 are cumulative, is this correct?
>
> First you have to prepare the schema then AD, if you mean that with
> cumulative.
>
>

> Greetings Meinholf,
>
> thanks for your response.  I have put some clarifications you asked
> for below:
>
> <Meinolf Weber> wrote in message
> news:ff16fb667e4b8caeb8a1e987482@msnews.microsoft.com...
>
>> Hello -,
>>
>> See inline.
>>
>> 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,
>>>
>>> We are upgrading our AD environment and the setup steps, as well as
>>> our mixed-OS environment are making things a little murky for me
>>> trying to figure out when and how to prepare our AD forest for
>>> Exchange 2007.
>>>
>>> Here's some quick background info:
>>>
>>> - We have all Windows 2000 DC's
>>> - A week ago, I ran the Exchange 2003 /forestprep (and /domainprep)
>> But you didn't upgrade to Exchange 2003? So why running the schema
>> extension?
>>
> ## The Exchange admin is trying, but it's complaining that the Active
> Directory connector is still present, so he's researching if it's safe
> to remove and then he will proceed.

>>> - We will have Exchange 2000 servers in the environment for the
>>> foreseeable
>>> future
>>> - We plan to extend the AD schema to 2008 (/forestprep and
>>> /domainprep) but
>>> won't install 2008 DC's until mid-2009
>>> Before Exchange 2007 I do know that I still need to do the
>>> following:
>>> - Install a new W2003 DC in the root domain and transfer the schema
>>> master
>>> to it
>>> - Install a new W2003 DC (with GC) in each child domain
>>> Here are my questions:
>>> 1.    Should I keep in chronological order in the sense that I
>>> should do Exchange 2007 schema extensions before I do AD2008 schema
>>> extensions?
>>>
>> You need to prepare the schema at the moment if you install either
>> exchange 2007 or a 2008 as DC, not earlier.
>>
> ## But will it hurt if I do 2008 first, then 2007 next?

>>> 2.     Regarding /PrepareSchema warning:  "You must not run this
>>> command in a forest in which you do not plan to run setup
>>> /PrepareAD. If you do, the forest will be configured incorrectly,
>>> and you will not be  able to read some attributes on user objects."
>>>
>>> Does that mean that in the interim after we run /PrepareSchema and
>>> wait for it to replicate but before we do /PAD the forest will be
>>> configured incorrectly?  If so, is is not better to run /PAD and
>>> allow it to include /PS?
>>>
>> See above.
>>
> ## I have to let the schema extensions from /PrepareSchema replicate
> overnight before I do the /PrepareAD.  Am I "incorrect" during the
> overnight period?

>>> 3.    I was reading a Technet article which I cannot currently find
>>> which talked about Exchange 2000 being able to run in an AD2008
>>> schema environment, but advised against running W2008 DC's while
>>> EX2000 servers were present.  Is this accurate?
>>>
>> See here:
>> However, if you still have Exchange 2000 deployed, you'll want to
>> either
>> hold off on deploying Windows Server 2008 domain controllers in the
>> Active
>> Directory site where those Exchange servers reside or hard-code the
>> Directory Service Access (DSAccess) settings so that Exchange 2000
>> doesn't
>> attempt to use the Windows Server 2008 domain controllers.
> ## Yes, I read that too, and that's why we didn't go directly to 2008.
> We'll have to completely transition out of Exchange 2000 before
> installing it, which by that time a service pack for 2008 will be out
> hopefully.

>> From: http://technet.microsoft.com/en-us/magazine/cc137736.aspx
>>
>> Also look the last entry from "Exchange_Geek" in this one:
>> http://forums.msexchange.org/m_1800479396/mpage_1/key_/tm.htm#1800479
>> 417
>>
>>> 4.    It would appear that the schema extensions are found in
>>> /PrepareSchema as well as /PrepareAD, but if /PS has been run then
>>> /PAD will skip it, right?
>>>
>>> 5.    Other than the schema extensions, does it hurt to run one of
>>> the steps more than once?
>>>
>> Should not, i think it will complain that the step is done before.
>>
>>> 6.    In the Technet article
>>> http://technet.microsoft.com/en-us/library/bb125224(EXCHG.80).aspx
>>> it appears that its steps 1, 2 and 3 are cumulative, is this
>>> correct?
>>>
>> First you have to prepare the schema then AD, if you mean that with
>> cumulative.
>>