Coonect from another domain RRS feed

  • Question

  • Hi sorry from my questtaion . I have trouble with connect to exchange mailbox in the another forest,domain . I have old domain with mailboxes . The domain is 2003 mode . From anothe domain with 2008r2 native mode i have open mailbox from 2003 domain . I am still not autheticate , and popup window with enter credentional .. Betwen forest is trust and in the mailbox is set full control for user from another forest ...



    Thursday, July 25, 2013 7:40 PM

All replies

  • Have you verified the trust relationship is working between the 2 domains?   How are the mailboxes set up?  Are they set up as linked mailboxes?

    Jim McBee - MVP, MCT, MCSE Using Exchange since the v4.0 beta in 1995 - Blog

    Thursday, July 25, 2013 8:00 PM
  • hi,

    the mailbox is mapped to user and with user and computers I set full control to user from another domain .. . 

    Hi today I experiment with this trouble and :

    I have 3 forest . Bettwen forest is trust

    forest (a) 2003 domain level

    forest (b) 2003 domain level

    forest (c) 2008 domain level

    In the forest (b) i have exchange 2003 . I set in the mailbox full permission for user from forest (a) and forest (c)   . If I connect to mailbox from forest (a) the connection is succesfull . If I try connect from forest (c) the outlook repeat authentication request :( and no connect to mailbox ...


    • Edited by Marek G_ Friday, July 26, 2013 5:43 PM doplneni
    Thursday, July 25, 2013 8:19 PM
  • Hi,

    I want to know whether the firewall between the Forest B and C support the NTLM authentication.



    Monday, July 29, 2013 1:25 AM
  • firewal  is microsoft and ON . I try disable it , but authentication still failed


    Monday, July 29, 2013 10:18 AM