Shared Mailbox Issue - You do not have the required permissions to send messages from this mailbox. (Outlook Web Access)


Certain times, I get calls from staff saying that they are unable to send out emails from their shared mailboxes using the outlook web access (OWA) but they are able to do so using their outlook client.
I didn’t have any issue with both the OWA and Outlook client while using my shared account. This must be because I am a member of the Domain Admin Group.

To solve this issue for general staff/user, you need to add the appropriate permissions in the EMC.
1.       Go to EMC and right click on the shared mailbox and click properties as shown in the figure below.

2.       Click on “Mail Flow Settings” tab, select “Delivery options” and click “Properties”

3.       In the “Grant this permission to” section, click “Add” and add the user. He will be able to send emails from the shared mailbox using OWA.

The assumption here is that the specified user has already been added to the “Manage Send As Permission & Manage Full Access Permission”

Comments

  1. AnonymousNovember 8, 2012 at 11:47 AM

    How about if user can send from a shared mailbox using OWA, but can not using his Outlook (2010) installed in his PC ?

    ReplyDelete
  2. Khangembam Suraj KumarNovember 8, 2012 at 11:51 PM

    I haven't came across that issue yet. But, if this doesn't solve the issue, then try the step below.

    Click Send / Receive > Send/Receive Groups > Download Address Book...

    Uncheck "Download changes since last Send/Receive" and download the Full Details.

    After downloading, restart the Outlook and try again.

    Let me know the error message if you still have the issue and do share if you have solved it by other means. Regards.

    ReplyDelete

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