Question : Exchnage Activesync and Android 2.0 Calendar Syncing issue

I receive Authentication Failed on my Motorola Droid running Android 2.0.  I am receiving email and my contacts are syncing.  Any ideas what is going on?

Answer : Exchnage Activesync and Android 2.0 Calendar Syncing issue

This article provides some insight to your problem and seems to be a common issues with the Android phone:

http://forum.androidcentral.com/motorola-droid/1200-corporate-calendar-not-syncing.html