The iPhone was not syncing properly with Microsoft Outlook 2007 calendar.
The solution and description to this error is set out below:
To fix this issue you can simply “Reset Sync History” in iTunes.
Don’t worry! This does not delete any data on either Outlook or the iPhone.
It merely, delete’s previous sync history and starts from scratch.
- Open iTunes….
- Click on “Edit” and “Preferences”
- Select the “Devices” tab and click on the button “Reset Sync History”
- Allow the new sync to complete.