If you are running into sync issues, or you’d like to troubleshoot an Activesync issue on your Windows Mobile Device, setting up Verbose Logging and parsing the logs is sometimes the quickest way to find the problem.
Setting up Windows Mobile for Verbose Logging
Open the Activesync Application on the Windows Mobile Phone.
Click Menu – > Click Options –>
Make Sure Microsoft Exchange is Highlighted
Click Settings –> Click Next on the Server Settlings Screen
Click Next on the User Information Screen –> Click Menu on the Server Settings Screen
Click Advanced –> Set Event Logging to Verbose
The log is saved in text format in the Windows\ActiveSync folder, for example windows\ActiveSync\serverlog0.
The log file is cleared at the beginning of each synchronization session. To retain the log file, copy or rename the log file before you start another synchronization session.
To copy the log file: