Issue

Send / Receive operation fails with error:

Task ‘Microsoft Exchange Server’ reported error (0x8004010F): ‘The operation failed. An object could not be found.’

Following error message gets saved in Sync Issues folder:

0x8004010F An object could not be found.

Cause

Exchange database where user’s mailbox is stored has not got Offline address book assigned or has an invalid address book.

Resolution

Assign a valid offline address book to the exchange database:

• Open Exchange Management Console
• Navigate to Organization Configuration > Mailbox > right click on relevant database > Properties
• Change to Client Settings tab > click Browse next to the Offline address book and select a valid address book

Microsoft Exchange Server 2010
Microsoft Outlook 2003