Not the answer I was looking for , unfortunately , I'm not surprised by it.
"Microsoft has closed my case, they will fix this issue in CU2." http://social.technet.microsoft.com/Forums/exchange/en-US/605030e1-8a0f-48d2-84ee-d62506ff0b7d/shared-mailbox-send-as-in-outlook-2013-stuck-in-delegates-outbox-folder?prof=required Jean-Paul Natola From: [email protected] To: [email protected] Subject: [Exchange] Send As - only working in Cached mode Date: Tue, 2 Jul 2013 18:38:21 -0400 Hi all, I have seen a few articles, and have confirmed this today , when I try to "send as" a distribution group it will not leave the outbox, when I close outlook, switch to cached mode I am then able to send as- Switch back to regular mode, fails again This is "kind of acceptable" for most users as they are in cached mode, however, the major issue is that when they are coming through Citrix/Terminal Server we do not use cached mode. Does anyone know of a workaround for this? Exchange 2013 , outlook 2010 Thanks JP

