Exchange 2007: Outlook 2010 constantly asks for login information
If Outlook 2010 constantly asks for logon information in an Exchange 2010 environment, the following procedure can help. If you have not already done so, you should first install the latest service pack and update rollup for Exchange 2007. Which rollup is current can be found here. If Outlook still asks for logon information after installing the updates for Exchange 2007, ... Read more