While doing a Send/Receive, you get this error: Task 'Microsoft Exchange Server' reported error (0x8004010F) : 'Theoperation failed. An object could not be found.'
This is a normal error message that occurs on the first day that a user joins our service. This error message indicates that MS Outlook was not able to find and download the offline Address Book. The offline Address Book for your company is automatically created during the first night after your company has signed up and become our customer. This error will go away on the next day and can be ignored.