Exchange 2007 BEHIND SBS 2003 Premium/ISA

Discussion in 'Windows Small Business Server' started by Brian, Aug 6, 2007.

  1. Brian

    Brian Guest

    I want to set up an Exchange 2007 server for testing and learning, and I want
    to protect it (preferably transparently) using my production SBS 2003 Premium
    Server (running ISA 2004 and Exchange 2003).

    I do NOT want to join the new Exchange 2007 server to my domain.

    I DO want to have access to it from the Internet.

    I would appreciate advice on setting up ISA 2004 (on my existing SBS 2003
    server) to allow this.

    Also:
    I have an extra public IP I can use if I HAVE to.
    I have a separate Domain name I WANT to use.
    Can this be done using ISA Web Listeners somehow?

    Thanks!!
    Brian
     
    Brian, Aug 6, 2007
    #1
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  2. If you used a different PORT (Other than 25)
    and have your mail sent from a Proxy to your SBS on a Different Port then
    Forwarded than yes

    Since a NIC can only have 1 IP the other IP won't help
    http://www.microsoft.com/technet/isa/2004/plan/single_adapter.mspx#EYGAE

    You could get a router that can use multiple IP's and put the Exchange
    server in a SEMI DMZ zone outside your LAN
    (However that may not be what you want.)

    Look into a Mail Proxy and have your mail come In on another Port and
    redirect that port to your new mail server

    Does that help?/make sense?

    I was just thinking you could also have the SBS Accept mail for that DOMAIN,
    and then Forward it to your Other Exchange server?

    Russ



    --

    Russell Grover
    Microsoft Gold Certified Partner
    Microsoft Certified Small Business Specialist.
    MCP, MCPS, MCNPS, (MCP-SBS)
    http://www.SBITS.Biz
     
    Russ Grover \(SBITS.Biz\), Aug 7, 2007
    #2
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  3. Brian

    Brian Guest

    Russ,

    You CAN have more than 1 IP per NIC.

    Try this:

    Open Network Connections
    select YourExternal Connection
    click Properties
    select Internet Protocol (TCP/IP)
    click Properties
    click Advanced
    click Add (under IP Addresses)
    Add an IP (& Subnet Mask).

    You now have TWO IP's on YourExternal NIC. The Second IP is also available
    in ISA.

    Hope this helps,
    Brian
     
    Brian, Aug 7, 2007
    #3
  4. Brian

    Brian Guest

    I should add that I have TWO NIC's in this server.

    Any SBS ISA guru's out there?!

    Thanks!
    Brian
     
    Brian, Aug 7, 2007
    #4
  5. Brian

    Claus Guest

    If you are talking about the WAN of your SBS, a second IP will create a
    whole bunch of problems for you. Russ knows very well that you can assign
    multiple IPs to a NIC. He was referring to your SBS box which will not play
    nice if you do that on either of its two NIC cards.
     
    Claus, Aug 7, 2007
    #5
  6. Actually I was reading the Article on ISA, Which Confused me
    Because I thought ISA allowed for Multiple IPs on 1 NIC
    But now that I re read it, I was wrong. (Brian you are correct.)
    (I knew you could But I didn't know about ISA)

    Sorry Since I've only Set up ISA in a SBS Environment and Never done a
    Multiple IP config
    (In that case I'd use a Firewall that can use multiple IP's because usually
    a DMZ is Created)

    Claus is correct
    Yes Multiple NICs does not play well with SBS (That's a Given.)

    Brian However You may be able to Add the other IP to the WAN Side of the SBS
    and Pass it through., You may want to post this in the ISA Forum
    (Realize of course running CEICW Wizard might effect this.)

    Basically You need to Add an IP to ISA and Reroute Port 25 from that IP to
    an Internal Server.
    The ISA guys can walk you through this I'm sure Really Easy..

    However I'm sure the Reroute the Port and use a Proxy WILL work for what you
    want.
    And thus not Change your Server drastically.

    Both ways should work.
    Good luck, the ISA Gurus Can walk you through this,
    I don't have a Test ISA server right now to Play with. (Sorry)

    Russ

    --

    Russell Grover
    Microsoft Gold Certified Partner
    Microsoft Certified Small Business Specialist.
    MCP, MCPS, MCNPS, (MCP-SBS)
    http://www.SBITS.Biz
     
    Russ Grover \(SBITS.Biz\), Aug 7, 2007
    #6
  7. Brian I posted that you should be able to do this.
    (Cross Fingers)

    Just see my other post.
    Russ

    --

    Russell Grover
    Microsoft Gold Certified Partner
    Microsoft Certified Small Business Specialist.
    MCP, MCPS, MCNPS, (MCP-SBS)
    http://www.SBITS.Biz
     
    Russ Grover \(SBITS.Biz\), Aug 7, 2007
    #7
  8. Brian

    Brian Guest

    Thanks again Russ!

    I'll look for a SBS centric answer elsewhere.. and will post the solution
    here.

    Brian
     
    Brian, Aug 7, 2007
    #8
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