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2 DC and 1 mail Domain

Author
27 Jan 2009 8:03 AM
Somchai
Currently there is running a system in different countries all on the same
Domain.  However, the branches overseas, regarding the time difference want
to run an independant system, meaning having their own DC/AD, etc.  The only
problem now is how to setup the Exchange Server as the old mail Domain
xyz.com should also be used in the overseas office.  Is there a way in
Exchange 2007 that we can use the same mail Domain on both end even we have
two independent DC also not in the same Forest.

Thank you

Author
27 Jan 2009 5:14 PM
John Oliver, Jr. [MVP]
What is your ultimate goal here?  It seems from your last sentence that you
want to separate the companies into their own Forest's?

--
John Oliver, Jr
MCSE, MCT, CCNA
Exchange MVP 2009
Microsoft Certified Partner


Show quoteHide quote
"Somchai" <Somc***@discussions.microsoft.com> wrote in message
news:D042F689-66C4-4585-B5C0-256E2F2E71AB@microsoft.com...
> Currently there is running a system in different countries all on the same
> Domain.  However, the branches overseas, regarding the time difference
> want
> to run an independant system, meaning having their own DC/AD, etc.  The
> only
> problem now is how to setup the Exchange Server as the old mail Domain
> xyz.com should also be used in the overseas office.  Is there a way in
> Exchange 2007 that we can use the same mail Domain on both end even we
> have
> two independent DC also not in the same Forest.
>
> Thank you
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Author
28 Jan 2009 12:36 AM
Somchai
That is correct.  The only problem is how to separate the email as we want to
keep the same mail domain in both companies.  Is it possible to route/forward
download the mail to the old structure or even can we setup on the new
structure the same mail domain?

Somchai

Show quoteHide quote
"John Oliver, Jr. [MVP]" wrote:

> What is your ultimate goal here?  It seems from your last sentence that you
> want to separate the companies into their own Forest's?
>
> --
> John Oliver, Jr
> MCSE, MCT, CCNA
> Exchange MVP 2009
> Microsoft Certified Partner
>
>
> "Somchai" <Somc***@discussions.microsoft.com> wrote in message
> news:D042F689-66C4-4585-B5C0-256E2F2E71AB@microsoft.com...
> > Currently there is running a system in different countries all on the same
> > Domain.  However, the branches overseas, regarding the time difference
> > want
> > to run an independant system, meaning having their own DC/AD, etc.  The
> > only
> > problem now is how to setup the Exchange Server as the old mail Domain
> > xyz.com should also be used in the overseas office.  Is there a way in
> > Exchange 2007 that we can use the same mail Domain on both end even we
> > have
> > two independent DC also not in the same Forest.
> >
> > Thank you
>
Author
28 Jan 2009 1:16 AM
John Oliver, Jr. [MVP]
You have two issues here.  One being Active Directory and the other being
Exchange.  For Exchange part I do not see this possible while keeping the
same SMTP domain namespace without a lot of headaches.  You could either
have the overseas create their own SMTP domain namespace or keep them as
part of your Exchange Organization while hosting their SMTP domain. For ease
of administration, licensing, etc. while in separate Forests, I would look
at having them create their own.  My two cents, others may chime in to give
their two cents.

--
John Oliver, Jr
MCSE, MCT, CCNA
Exchange MVP 2009
Microsoft Certified Partner


Show quoteHide quote
"Somchai" <Somc***@discussions.microsoft.com> wrote in message
news:CCBAD5F9-4A4D-412E-8DD9-2426545EB79D@microsoft.com...
> That is correct.  The only problem is how to separate the email as we want
> to
> keep the same mail domain in both companies.  Is it possible to
> route/forward
> download the mail to the old structure or even can we setup on the new
> structure the same mail domain?
>
> Somchai
>
> "John Oliver, Jr. [MVP]" wrote:
>
>> What is your ultimate goal here?  It seems from your last sentence that
>> you
>> want to separate the companies into their own Forest's?
>>
>> --
>> John Oliver, Jr
>> MCSE, MCT, CCNA
>> Exchange MVP 2009
>> Microsoft Certified Partner
>>
>>
>> "Somchai" <Somc***@discussions.microsoft.com> wrote in message
>> news:D042F689-66C4-4585-B5C0-256E2F2E71AB@microsoft.com...
>> > Currently there is running a system in different countries all on the
>> > same
>> > Domain.  However, the branches overseas, regarding the time difference
>> > want
>> > to run an independant system, meaning having their own DC/AD, etc.  The
>> > only
>> > problem now is how to setup the Exchange Server as the old mail Domain
>> > xyz.com should also be used in the overseas office.  Is there a way in
>> > Exchange 2007 that we can use the same mail Domain on both end even we
>> > have
>> > two independent DC also not in the same Forest.
>> >
>> > Thank you
>>
Author
28 Jan 2009 1:56 AM
acox65807
Somchai wrote:
>Currently there is running a system in different countries all on the same
>Domain.  However, the branches overseas, regarding the time difference want
>to run an independant system, meaning having their own DC/AD, etc.  The only
>problem now is how to setup the Exchange Server as the old mail Domain
>xyz.com should also be used in the overseas office.  Is there a way in
>Exchange 2007 that we can use the same mail Domain on both end even we have
>two independent DC also not in the same Forest.
>
>Thank you
Yes you can do this in Exchange 2007. I have a client that I just did this
for and as way of practise, setup my exchange 2007 server at my house to do
this using a "virtualized" 2nd forest.
The technologies involved are linked mailboxes, accepted domains, and email
address policies. I can send you information... the process is a little
involved, depending on your comfort level with AD and Exchange. How many
users are you talking?
Author
28 Jan 2009 2:00 AM
acox65807
Somchai wrote:
>Currently there is running a system in different countries all on the same
>Domain.  However, the branches overseas, regarding the time difference want
>to run an independant system, meaning having their own DC/AD, etc.  The only
>problem now is how to setup the Exchange Server as the old mail Domain
>xyz.com should also be used in the overseas office.  Is there a way in
>Exchange 2007 that we can use the same mail Domain on both end even we have
>two independent DC also not in the same Forest.
>
>Thank you
Yes you can do this in Exchange 2007. I have a client that I just did this
for and as way of practise, setup my exchange 2007 server at my house to do
this using a "virtualized" 2nd forest.
The technologies involved are linked mailboxes, accepted domains, and email
address policies. I can send you information... the process is a little
involved, depending on your comfort level with AD and Exchange. How many
users are you talking?

Alan L. Cox
Sr. Systems Engineer
MCSE: Messaging, MCITP: Enterprise Messaging Administrator
Author
28 Jan 2009 2:07 AM
acox65807
Somchai wrote:
>Currently there is running a system in different countries all on the same
>Domain.  However, the branches overseas, regarding the time difference want
>to run an independant system, meaning having their own DC/AD, etc.  The only
>problem now is how to setup the Exchange Server as the old mail Domain
>xyz.com should also be used in the overseas office.  Is there a way in
>Exchange 2007 that we can use the same mail Domain on both end even we have
>two independent DC also not in the same Forest.
>
>Thank you

Sorry about the double post.

--
Alan L. Cox
MCSE: Messaging, MCITP: Enterprise Messaging Administrator
Author
2 Feb 2009 5:03 AM
Somchai
Both of you thank you very much for your input and sorry for my delayed
reply.  I certainly would be interested in the instruction from Alex, I then
could make a decision if I want to go ahead with it or maybe use a more
common method like pop3, forwarding or else......

Alex where could I obtain these instructions?

Thanks in advance

Show quoteHide quote
"Somchai" wrote:

> Currently there is running a system in different countries all on the same
> Domain.  However, the branches overseas, regarding the time difference want
> to run an independant system, meaning having their own DC/AD, etc.  The only
> problem now is how to setup the Exchange Server as the old mail Domain
> xyz.com should also be used in the overseas office.  Is there a way in
> Exchange 2007 that we can use the same mail Domain on both end even we have
> two independent DC also not in the same Forest.
>
> Thank you
Author
2 Feb 2009 2:22 PM
acox65807 via WinServerKB.com
Somchai wrote:
Show quoteHide quote
>Both of you thank you very much for your input and sorry for my delayed
>reply.  I certainly would be interested in the instruction from Alex, I then
>could make a decision if I want to go ahead with it or maybe use a more
>common method like pop3, forwarding or else......
>
>Alex where could I obtain these instructions?
>
>Thanks in advance
>
>> Currently there is running a system in different countries all on the same
>> Domain.  However, the branches overseas, regarding the time difference want
>[quoted text clipped - 5 lines]
>>
>> Thank you

http://www.msexchange.org/articles_tutorials/exchange-server-2007/planning-architecture/deploying-exchange-resource-forest-part1.html


http://www.msexchange.org/articles_tutorials/exchange-server-2007/planning-architecture/deploying-exchange-resource-forest-part2.html


While there are some steps involved in these articles, In many cases, some of
the steps may not be needed. In my case, I created a 2003 forest trust,
created conditional forwarders in DNS, and in Exchange, created an accepted
domain for the other domain, created an email address policy that would only
apply to users in the OTHER forest (using company name filter). Then created
the users in the exchange forest using Linked mailbox option... This should
create a disabled user account in the exchange forest but create the mailbox
that the user in the second forest has rights to.

Author
3 Feb 2009 2:51 AM
Somchai
Dear Alan,

Thank you very much for these links.  I wll certainly have a look at them. 
I will let you know further proceedings.

Thanks

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"acox65807 via WinServerKB.com" wrote:

> Somchai wrote:
> >Both of you thank you very much for your input and sorry for my delayed
> >reply.  I certainly would be interested in the instruction from Alex, I then
> >could make a decision if I want to go ahead with it or maybe use a more
> >common method like pop3, forwarding or else......
> >
> >Alex where could I obtain these instructions?
> >
> >Thanks in advance
> >
> >> Currently there is running a system in different countries all on the same
> >> Domain.  However, the branches overseas, regarding the time difference want
> >[quoted text clipped - 5 lines]
> >>
> >> Thank you
>
> http://www.msexchange.org/articles_tutorials/exchange-server-2007/planning-architecture/deploying-exchange-resource-forest-part1.html
>
>
> http://www.msexchange.org/articles_tutorials/exchange-server-2007/planning-architecture/deploying-exchange-resource-forest-part2.html
>
>
> While there are some steps involved in these articles, In many cases, some of
> the steps may not be needed. In my case, I created a 2003 forest trust,
> created conditional forwarders in DNS, and in Exchange, created an accepted
> domain for the other domain, created an email address policy that would only
> apply to users in the OTHER forest (using company name filter). Then created
> the users in the exchange forest using Linked mailbox option... This should
> create a disabled user account in the exchange forest but create the mailbox
> that the user in the second forest has rights to.
>
> --
> Message posted via WinServerKB.com
> http://www.winserverkb.com/Uwe/Forums.aspx/microsoft-exchange/200902/1
>
>

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