DP A7.03 can't create MS Exchange Single Mailboxes backup job

DP A7.03 , Exchange 2007 8.3 Build 83.6 , Windows Server 2003 64-bit , Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1  installed

The issue is when create a Single Mailbox backup job configure single mailbox type MS Exchange-Admin id & password display a error message.

Integration cannot be configured.

[12:8562] The Data Protector Single Mailbox integration cannot be configured.