This is not an Exchange or OWA problem. It is a client side problem that occasionally occurs with certain web browser configurations. Use the latest stable version of Internet Explorer and ensure that all updates have been applied. If the problem persists, avoid adding users by double-clicking on their name.
Article ID: 232, Created: March 8, 2011 at 4:14 PM, Modified: March 8, 2011 at 5:27 PM