Possible cause Possible solution
The BlackBerry Collaboration Service
does not support the version of the
instant messaging application that is
installed on the BlackBerry device.
Remove the instant messaging application from the BlackBerry device. Install
an earlier version of the instant messaging application on the BlackBerry device.
The Microsoft Office Communicator
Web Access server is not configured
correctly for AJAX service.
Verify that the port number for the AJAX service is configured correctly on the
Microsoft Office Communicator Web Access server.
In the BlackBerry Client for use with
Microsoft Office Live Communications
Server 2005, the Microsoft Office
Communicator Web Access server is
not configured to use forms-based
authentication and the BlackBerry
Collaboration Service is configured to
use HTTPS to connect to the Microsoft
Office Communicator Web Access
server.
Verify that forms-based authentication is configured on the Microsoft Office
Communicator Web Access server.
Troubleshooting: BlackBerry Web DesktopManager

Troubleshooting: Users cannot log in to the BlackBerry

Web Desktop Manager

Possible cause Possible solution
You might have specified an incorrect URL for the
BlackBerry Configuration Database during the BlackBerry
Administration Service installation process.
Change the BlackBerry Configuration Database URL.
Administration Guide Troubleshooting
477