Thursday, July 12, 2012

Exchange Management Console 2010 Send on Behalf of Error

I was trying to add a user to send on behalf of somebody else, and when I tried to apply the settings I got the following error:

Microsoft Exchange Error
The following error(s) occurred while saving changes:

Couldn't find object "domain.local/retired/staff/personsname". Please make sure that it was spelled correctly or specify a different object. Reason: The recipient domain.local/retired/staff/personsname isn't the expected type.

The solution was to open ADSI Edit, navigate to the user I was trying to grant the permissions for, find the publicDelegates setting, and remove the user being referenced.  Problem solved. :)


  1. Nice solution, but what is the cause of the problem? A simple workaround doesn't cut it..

    1. I'm not sure, I don't work on the Exchange team at Microsoft!

  2. I had the same problem. In my case, the user's account was disabled. I couldn't see it in the Exchange console, but the error message gave the name. Using Andrew's solution worked perfectly-thanks!!

  3. I have the same error and I opened ADSI Edit, navigated to the user I was trying to grant the permissions for, i right clicked and took properties, under the attributes editor i found out that publicDelegates is NOT SET. so I don't know how to remove the user being referenced. :(