Not sure about the expert stuff but some of this may help.
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Some organizer data does not appear on my device after synchronization
You might need to verify your synchronization settings. In the BlackBerry® Desktop Software, click Organizer > Configure settings. Try the
following actions:
• Check the conflict resolution options for the organizer data that is not appearing. Highlight the organizer application. Click
Advanced > Conflict Resolution. Verify that the Ignore all conflicting items option is not selected.
• If some tasks are not appearing on your BlackBerry device, highlight the task application. Click Setup. Verify that the Transfer all
items option is selected.
• If some calendar entries are not appearing on your device, highlight the calendar application. Click Advanced > Conflict
Resolution. Verify that the Transfer all scheduled items option or Transfer only future items option is selected.
• If some calendar entries are not appearing on your device, verify that these calendar entries are not appointments and meetings that
you manage for someone else. If you use Microsoft® Outlook® to manage someone else's calendar, that person's appointments and
meetings do not appear on your device.
Duplicate organizer data fields appear on my device after synchronization
You might need to verify your synchronization settings. In the BlackBerry® Desktop Software, click Organizer > Configure settings. Try the
following actions:
• Highlight the organizer application. Click Advanced > Conflict Resolution. Verify that the Add all conflicting items option and
Ignore all conflicting items option are not selected.
• Highlight the organizer application. Click Advanced > Map Fields. Verify that the field mapping for each organizer application is
correct.
• Highlight the address book organizer application. Click Advanced. Verify that both the First Name field and Middle Name field in
your organizer application are mapped to the First Name field on your BlackBerry device.
additional info.
KB12749-Calendar does not synchronize during the wired synchronization process