ActiveSync on multiple Exchange 2003 servers

Posted on 2011-05-10
Last Modified: 2012-06-27
We were setup with 1 Exchange 2003 Enterprise server (Well call this Server1) functioning as both the frontend/backend rolls.  A division of our company moved and was now sitting across the WAN and comlained about slow email (they get huge attachments).  So we built an exchange 2003 standard server (Server2).  It also functions as both the frontend/backend rolls.  The idea is that if that division ever seperated from our company (there has been talk of that for a while) that it would be an easy cut over this way.  The 2 servers talk to each other without a problem and we can manage each server via 1 system manager console via either server or non exchange computer such as my desktop.

We have activesync turned on at the global level and users on Server1 can connect via local IP or across the Internet with our firewall NATing the address.  We can have SSL on or off as well as require certificates.  Users on Server2 however are unable to connect at all.  We put a wireless access point on the network and tested multiple devices.  They all error out saying they cannot connect to the server.  That same device is able to access webmail via the local network 10.2.x.x/exchange  or via the internet.

ActiveSync is a global setting and we've looked at all IIS properties and they appear to be the same on both servers.

We have reset the virtual directories following this KB article

We do have a single Blackberry server that does not share hardware with either exchange server.  Users on both exchange servers are able to use BlackBerry devices without issue.

At this point we are at a lose of what else to look for.  Does anyone have any thoughts?  Is it possible that Exchange does not allow ActiveSync to multiple servers setup the way we have it and requires a true frontend server to do this?  I doubt it since webmail does work, but don't know for sure.
Question by:bruceleroy
    LVL 8

    Expert Comment

    Try navigating to http://servername/oma and tell me what you get. Do this on a computer or the server.

    Author Comment

    I was asked for a user/pass.  I entered a user/pass of a test user that has a mailbox on that server.  I then got a page that says "The device type you are using is not supported. Press Ok to continue."  I can click OK or OK, and do not warn me again and then it has my IE info string.

    I clicked OK and it shows links to inbox (1 new), Calendar, contacts and so forth.  If I click inbox it shows the subject and sender of the messages the user has in that mailstore.  I can continue to open messages and have links to reply and such.
    LVL 8

    Expert Comment

    Did you do this on the server you are having problems with? OMA seems to be fine if thats the case.
    LVL 8

    Accepted Solution


    Author Closing Comment

    Once we did this, we had to delete and recreate the accounts on the phones, but then they started working.  Thanks a BUNCH.

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