Exchange Processing Wizard deletes mail attachments in mailboxes and public folders during Exchange data processing if the Process messages option was selected on the Select Objects step.
Change Request ST71662. This hotfix is also included in the new QMM maintenance release 8.6.1.
Please download the hotfix called, Migration Manager for AD 8.6 Hotfix (Update20100820) for solution SOL65817 by Clicking Here.
To install the update, complete the following steps:
The installation does not affect existing settings. All your projects remain intact and can be continued after installation.