I have 4 Blackberry devices connecting through Outlook Web Access to my SBS 2008 server. I recently updated exchange to sp2.
In order to get the BB's to authenticate, I disable windows authentication and enable basic authentication on the EWS folder in IIS. But as soon as I disable windows authentication I get Office 2007 prompting for the user id/password. I applied sp2 to hopefully eliminate the prompting from office 2007.
Seems like I can have one or the other but not both.