[ExchangeList] Re: Multiple Location Exchange Migration

  • From: James Chong <jchong@xxxxxxxxxxxxxx>
  • To: "exchangelist@xxxxxxxxxxxxx" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 3 Apr 2008 09:29:17 -0400

Could NLB the CAS\HT at HO office.


I’m assuming you have gateway AV\SPAM since there is no edge role?



James Chong
Sr. Systems Engineer
Simplexity, LLC.

11130 Sunrise Valley Drive, Suite 300

Reston, VA 20191
O (703) 657-4612
C (703) 863-1483


From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Mitul Zaveri
Sent: Thursday, April 03, 2008 7:19 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Multiple Location Exchange Migration


Hi All:

The current scenario is as mentioned below;


# We have Linux mailing Servers at 9 locations with 1 node running at each location and mailboxes on each node.(Total 7000 mailboxes)

# The Server at the HO serves as SMTP gateway as well as MX Server.

# The other nodes don’t have direct Internet Access to send out Emails, however they are connected to the HO thru IP links/VPN.

# The HO Server is also the master LDAP Server.


The above solution needs to be migrated to an Exchange Based Solution. Since we are in a process of migration we plan it to move it Exchange 2007 instead of Exchange 2003 to avoid future migration again.


We need to provide a Cost Effective + High Availability Solution to the management. This is what we have planned so far as far as the architecture is concerned;


# At HO:

Domain Controller (1 No) + Additional Domain Controller (1 No)

Client Access Server + Hub Transport Server (2 No’s)

Mail Box Server (2) connected to a SAN Box.


# At one branch office (where we have maximum no of users)

Additional Domain Controller

Client Access Server + Hub Transport Server (1 No)

Mail Box Server (1 No)


Rest all the Branch Offices will connect to the HO Directly for their mails.


Kindly let me know if we are missing out on any point.


Thanks & Regards

Mitul Z


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