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.
You can't remove request '{0}' while it is completing. Please wait for the request to complete. The server running the Microsoft ...
You can't run this task on an Edge Transport server that is subscribed to an Active Directory site. You must either perform ...
You can't run this task on an Edge Transport server. You must perform this operation using the management console on a Hub ...
You can't search for admin audit log entries because the arbitration mailbox 'SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9}' ...
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 ...
You can't send as another user if you have the S/MIME control installed. To be able to send as another user, you need to ...
You can't set the LinkedReceiveConnector parameter if any one of the following conditions is true: the AddressSpaces attribute ...
You can't set the UseDowngradedExchangeServerAuth parameter to $false if any Receive connector on the transport server has ...
You can't share calendars from sharing invitations in your personal archive. Please move the sharing invitation to your mailbox ...