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Outlook Anywhere for exchange 2003 mailbox in a coexistent environment

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  • Outlook Anywhere for exchange 2003 mailbox in a coexistent environment

    We have the below environment:
    - One exchange server 2003 (FE + BE), OWA and RPC over HTTPS are enabled and all clients are accessing their mailboxes successfully.
    - 4 servers for exchange server 2007: 2 mailbox and 2 HT and CAS.


    Old OWA (2003) was configured to use a third party certificate under the name (mail.test.com) so I purchase a new certificate for our new CAS servers with the same old name (mail.test.com).
    Message routing between Exchange 2003 and Exchange 2007 are working successfully and OWA (2007) is working successfully for both exchange 2003 and exchange 2007 mailboxes.
    Now when I changed the External DNS records to point to the new CAS server's outlook anywhere are working well for mailboxes hosted on exchange 2007 server but DID NOT for mailboxes hosted on exchange server 2003.
    Is there any other configurations must be done either on exchange 2003 server or exchange 2007 servers?????
    I'm suspecting in the old certificate installed on exchange 2003, do I need to remove it??? Or need to install the new certificate (ordered for the new CAS servers) on exchange server 2003??

    i tried to set the exchange 2003 as a back end also i removed the SSL but still outlook anywhere for exchange 2003 mailbox dose not working through cas 2007 ??

    Please can any one helps me

  • #2
    Re: Outlook Anywhere for exchange 2003 mailbox in a coexistent environment

    If anyone else wants to see the full history of this problem it can be found here

    http://forums.msexchange.org/m_18004..._1/key_/tm.htm

    Simon.
    --
    Simon Butler
    Exchange MVP

    Blog: http://blog.sembee.co.uk/
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    Sembee is a registered trademark, used here with permission.

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    • #3
      Re: Outlook Anywhere for exchange 2003 mailbox in a coexistent environment

      Could you please check this.....this may help you..
      http://technet.microsoft.com/en-us/l...EXCHG.80).aspx

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