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users can't add external contacts

    Question

  • Hello All

    I have got domain ABC.com...i donot have office 365 with this domain...I want to know how to i make users from my domain to contact external users...I have enabled federation with other office 365 domain account...but still I can't make my ABC.com domain users to contact or add other domain users...for example I have si.com as my office 365 domain....ABC.com with PC users...both of them have federation and external communication enabled...but still i cant add users from ABC.com in si.com????

    when i addd it just displays a msg saying -Presence Unknown ang never get a add request on the other one


    • Edited by Lexi Mace Thursday, April 20, 2017 8:12 AM
    Thursday, April 20, 2017 8:11 AM

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