Hi Mike, first thanks for the work <a href="http://olpztpqyem.com">aruond</a> , still dont understand why Microsoft didnt change it , because your are able to select domain local security groups when grant send-as permissions.But i got a small other issue with exchange 2010, i am using the domain local security group to set grant permissions to a shared mailbox. for a unknow reason the attribute msExchDelegateListLink of the shared mailbox does not get filled in. so users who are member of that group does not get the shared mailbox automatically in their outlook 2010. if i add the permissions per user the attribute get filledin within a few minutes and trhe users sees the shared mailbox in their outlook after 3 min. any help is greatley appriciated
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