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    Hi ALl,

    I am doing Migration from Exchange 2007 to 2013. After moving mailbox to Exchange 2013. user can not access public folder from outlook and getting password prompt repeatedly. OWA log in is fine.

    After I have changed Ntlm for client authentication for both Exchange 2007 and 2013. User mailbox was totally disconnected.

    Please kindly advise.

    Regards,

    Zaw Tun Naing.

    ZAW

    Monday, May 26, 2014 3:30 PM

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    Hi

    Please change the permissions on Exchange 2013 to basic, do an IIS reset and the password prompts should go away.

    Tuesday, May 27, 2014 5:54 AM
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    Hi

    Shall I configure outlook anywhere external/internal authentication for both 2007 and 2013 to Basic?

    Is there any power shell script to configure it ?


    ZAW

    Tuesday, May 27, 2014 7:16 AM
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    Hi Zaw,

    Could you please have checkout this MS-KB  : http://support.microsoft.com/kb/2834139/en-us

    It looks an appropriate solution to sort-out such causes.


    Tuesday, May 27, 2014 11:54 AM
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    Hi

    Thank you for your post. But, I tried this article , still getting prompt for credential to legacy exchange server for public folder.

    Regards,

    Zaw Tun Naing

    ZAW

    Tuesday, May 27, 2014 1:53 PM
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    Hi,

    Let’s begin with the following thread:
    http://social.technet.microsoft.com/Forums/en-US/310af674-aace-40f9-bff5-586f5d758e07/exchange-2007-to-2013-migration-issues-public-folders-inaccessible?forum=exchangesvrdeploy
    The inaccessible public folder and credential issue is caused by the improper authentication mrthod.
    Thus, I recommend you confirm the following authentication for Outlook Anywhere:
    Identity                           : EXCHANGE2007\Rpc (Default Web Site)
    ExternalClientAuthenticationMethod : Ntlm
    InternalClientAuthenticationMethod : Ntlm
    IISAuthenticationMethods           : { Ntlm }
    Identity                           : EXCHANGE2013\Rpc (Default Web Site)
    ExternalClientAuthenticationMethod : Ntlm
    InternalClientAuthenticationMethod : Ntlm
    IISAuthenticationMethods           : { Ntlm }
    Then restart your IIS.

    If your users still disconnect, I recommend you check the Outlook Anywhere connectivity:
    https://testconnectivity.microsoft.com/

    If you have any question, please feel free to let me know.
    Thanks,

    Angela Shi
    TechNet Community Support

    Wednesday, May 28, 2014 3:04 AM
    Moderator