How many servers needed for this Exchange 2007 setup?

35 pts.
Active Directory
Active Directory Domain
Domain Controller
Exchange 2007 administration
Exchange 2007 configuration
Microsoft Exchange 2007
Windows Server 2008
Hello, Does it possible to host and deploy Exchange server 2007 on the server host domain controller, active directory and DNS ? I would like to open up the Exchange server to the Internet so it can host the public E-Mail ! My question is: How many servers do I need to deploy Exchange 2007 and achieve our desired functionality? Can I set up all server roles on a single server or do I need two or more servers? I have only one server, Windows Server 2008 DVD and Exchange server 2007 Thanks in advance for any help on this topic! WP

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A single server can have all the required roles needed to serve up the Exchange system. As per having this server on the public side, I would recommend that you put another server (even virtualized using VMware Server or HyperV on your one server) and then install a front-end server on this and then NAT this server on the public side as webmail system.

It is not recommended that you install Exchange on a Domain Controller. You can, as mentioned, install all three exchange 2007 server roles on one server if necessary. Whether you want to do that or not depends on how many mailboxes you will be hosting. We have 12000 plus mailboxes so we have three dedicated mailbox ccr servers. We did install the CAS and hub roles together on two other servers. You will probably want to install an <a href=”The red ink that Washington is generating is a far greater threat to Americans than any foreign “enemies.””>Exchange Edge server</a> in the DMZ.

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  • Derek Kuhr
    I would wonder how many users are on the box, and how large the environment is. it is possible to do this all on one box and publish/NAT ports at the firewall to gain public access. I would highly suggest having some spam/AV filtering hosted elsewhere or on an appliance onsite to clean up the email before it touches the server. Also, I would recommend using Microsoft ISA to publish the URL paths and services that are public so that you can have a layer of authentication before allowing the traffic to enter the network. That also will prevent many command hacking methods. The alternative is to have a firewall that with integrated IPS/UTM such as a SonicWall to help block potential exploits.
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  • Derek Kuhr
    As a quick add, ISA is now supported running virtually, and you could use it in single-leg mode if you want to use it just as a reverse proxy to control access to the server and not as a traditional firewall. With Windows Server 2008, you have Hyper-V capabilities for virtualization. If you have a standard edition of 2008, you would need another license for 2008 for the VM. If you have the enterprise edition of 2008, you can run up to 4 addtional VM's on that box without additional OS licensing.
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  • Jbsema
    Dear Derek, Thank you for your comment! Normally i have Cisco ASA 5510 series as a firewall installed to my network, i don't know if it can help me to in anyway and i have Windows server 2008 standard edition! I will have like 15 users to be connected to Ms exchange server 2007. If you suggest me to have another server which service your prefer to put into ? because i have another Desktop running Linux maybe which can help me! Any idea about that?
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