I just got out from Exchange 2003 Server training and our instructor told us
that Microsoft has changed their position about putting Front End servers in
DMZ areas.  They are now recommending that put all Front & Back end servers
in your local network then use Proxy solutions to have your Front End
servers to talk to outside of your network.

Brian

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Rob Ellis
Sent: Monday, October 20, 2003 7:40 AM
To: Exchange Discussions
Subject: Upgrade 2000 to 2003

Can I please have comments on the following plan?

The current setup:

EX01, an Exchange 2000 Enterprise edition server sits on our LAN.  In
our DMZ we have MIS01, a Mobile Information Server 2002 server. (both
these servers are member servers in the AD)

Also in our DMZ, we have a workgroup win2k server which acts as our SMTP
gateway for Exchange.

Users access OWA on EX01 by connecting to our firewall using https, and
the firewall NATs that through to EX01.

All of that works fine.


The plan:

Taking advantage of our Software Assurance, upgrade EX01 to Exchange
2003 enterprise edition.

Buy a license for Exchange 2003 Standard edition, and install that on
MIS01, configure as front end server for OWA, connecting to mailboxes on
EX01

Re-jig so MIS01 is also acting as our SMTP gateway, probably retaining
the workgroup server as a backup MX

MIS functionality (serversync, OMA, etc) is included in Ex2003, so we
don't need MIS2002 anymore.



Thanks in advance.


Regards,

Rob Ellis
IT Manager 
Samsara Group plc 
Tel 023 9224 7979 
Mob 07974 111867
MCP BEng(hons)



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