Wonder if anyone can help.  I have the following:
DMZ - HUB1/CAS1 - HUB2/CAS2/MBX2
HUB1 and CAS1 are in one AD site
HUB2, CAS2 and MBC2 are in another AD site.

So here is my question...
We are currently on Exchange 2003, looking to move to 2007.
Have a home office with 70 people, a remote office with 60, and about 15
home-users.

We are planning to implement the Exchange 2007 servers to cater 5000
mailboxes. So I am planning to have four Edge Servers, four Multirole
servers (CAS & Mailboxes) and two Active Directory servers. I would like to
know whether the Edge Server support for clustering ? Please ...

In a front-end / Back- end configuration, where the CAS role is on one
server and the mailbox role is on another server.    When the client connect
to the CAS server, I would like to know how much traffic is past between the
CAS Server and the mailbox server?  Is there any ...

I am trying to implement a Front End server in my Exchange 2003
organization.  I can get internal email to work (as expected) and I can get
email from the internet to come into the organization and be delivered but I
cannot send email out of the organization to the internet.  I ...

We have an old email system that is Solaris Send mail. We want to migrate
the Solaris send mail to Exchange Server 2007. Is it possible to migate all
mail data to exchange Server? If it is possble, could you tell me how to do
it?

We are in the process of merging with another company who have 2 offices.
These 2 offices, and our own, are all completely seperateWindows 2003 AD
Forests/Domains and Exchange organizations. The plan is for all 3 offices to
share a single email domain name - is that possible and ...

Why would I need to set up 2 virtual SMTP servers on 1 Exchange box, and what
problems would be solved by creating 2 virtual SMTP servers?

Is it possible to restrict forest administrators from accessing users
mailboxes in a single AD forest with two domains?
Exhange 2003 server reside in Domain1.
We want only Domain Admins from Domain1 to do this.

I have two question:
1. What are difference between Exchange 2003 or Exchange 2007?
2. I have situation: my company is very large, we have main Active Directory
for the Whole Company. But they limited exchange Mail space (Exchange 2003).

Team,
I have an interesting question for the experts.
My environment consists of the following:
AD 2003 Native

Basically, when using CCR to replicate between sites across a WAN link
of some sort at what point is WAN acceleration necessary? Are those of
you implementing CCR for larger sites finding WAN acceleration is a
requirement and should be built into the design day 1, or is Exchange

Q: I want to create a custom dynamic distribution group for all users in a
storage group.
I can  get the users if I use: get-mailbox | where {$_.Database -like
"*<SGName>*"}

I have an Exchange 2003 Organization, with one administrative group, spread
across 9 sites, with one Exchange server in each site.  Each site is a
routing group, and thay are connected together with routing group connectors.
All external mail comes in to the central site, and is ...

Okay so from all the docs I see the suggestion is to use DNS Round Robin to
load balance edge.
Well I am planning on using MessageLabs, who will then forward mail to a
bank of 4 edge servers.