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Can Federated users be allowed to expand Distribution Groups?

    Question

  • Distribution Group Expansion works for external users without any problems. However, federated users cannot IM a distribution group or see its members. Is this something that can be enabled?

    I am using OCS R2 Std with ISA 2k6 and consolidated Edge.

    Cheers
    Thursday, October 15, 2009 12:54 PM

Answers

  • DLExpansion requires Authentication in the Front End Server (on IIS), and since federated contacts, do not authenticate themselves, they do not have the ability to contact a Distribution Group.

    This, I understand is by design, to prevent users on the internet from SPIM'ing your domain.
    Thursday, October 15, 2009 4:53 PM