Internal domain name same as external hosted exchange server

Posted on 2014-08-21
Last Modified: 2014-08-26

At a client site i have a server 2012 R2 with the external hosted email adres is also

With autodiscover the client receive their settings. With Outlook 2013 this works fine, but with outlook 2010 i can't store the credentials in the credential manager. It is stored as sesion so after a reboot or log off outlook keeps prompting for password.


User logs on with on a Win7 client. Now we configure Outlook 2010 with autodisocover withe the same name The credential manager shows persistence as sesion. If i log on with the same but configure outlook with the password is stored correct.

Please help me on this one. Thanks in advance.
Question by:LevixAutomatisering
    LVL 7

    Expert Comment

    by:Pushpakumara Mahagamage
    open credential manager and add record manually, by the way is client pc belongs to that domain, so you don't have to save credential do you? just check route from client pc to exchange server and verify communication is local.
    if it's going out from local network you have to correct DNS records on local dns server.

    check outlook 2010
    LVL 1

    Author Comment

    Thanks for your answer. At my local DNS is set a SRV record which points to the external autodiscover location.

    What DNS settings do you recommend?
    LVL 1

    Accepted Solution

    I solved the problem with a workaround. I created a vault in the credential manager with an other username. Create a backup of the vault en replaced the vault with the correct vault i created.

    So for now the customer can work with Outlook without password prompts.
    LVL 7

    Expert Comment

    by:Pushpakumara Mahagamage
    1.your exchange and autodiscover at external site so your resource record is correct.
    2. it seems you have PDC in local network and  exchange at remote site. Do you have one user account for Domain and another for email or create mail box for same local domain user
    LVL 1

    Author Closing Comment

    Great work around.

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