Outlook 2010: Changes to the public group membership cannot be saved.. error

Problem:  I get the following error (below) whenever trying to modify a distribution group in Outlook 2010.   I can do it in OWA but not Outlook 2010 while running Exchange Server 2010 SP2.   Tried it as the owner and domain admin without any luck.

“Changes to the public group membership cannot be saved.  You do not have sufficient permission to perform this operation on this object.”image


Solution:  Go into Domain Users and Computers, find the distribution group and make it universal instead of global.  After that, I was able to edit it within Outlook 2010 without any issue.

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