Outlook 2013 send on behalf off does not work in cached mode

Posted on 2014-08-28
Last Modified: 2015-07-22
I have just created and new Outlook profile in an attempt to fix an issue with view settings not being saved, since then send-on-behalf-of only works in non-cached mode. Send-on-behalf-of perms were set on the server side and have been in place for years.

When I attempt to send-on-behalf-of "LICHelpdesk" to "KCLing" in cached mode it fails with an NDR implying that I was trying to send-on-behalf-of "KC Ling" and not the "LIChelpdesk" mailbox:

Delivery has failed to these recipients or groups:
K.C. Ling
You can't send a message on behalf of this user unless you have permission to do so. Please make sure you're sending on behalf of the correct sender, or request the necessary permission. If the problem continues, please contact your helpdesk.

The sent mail copy is also odd in that it states:
LIC Helpdesk  on behalf of LIC Helpdesk
instead of
<my name> on behalf of LIC Helpdesk.

Any ideas where to go on this?
I tried deleting and recreating the OST file.
Question by:smpsmith
    LVL 13

    Expert Comment

    It's a permission problem

    Do you have enabled both Send on Behalf and Send As?
    If yes undo it and keep only just one option enabled

    Accepted Solution

    I only had send as enabled. However I found that removing the perm, saving and adding it back revolved the issue.
    LVL 13

    Expert Comment

    Glad you solve it

    Author Comment

    No comment

    Author Comment

    No comment

    Author Closing Comment

    Other suggestion was n/a

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