BA105: Unhandled exception in the Exchange Mailbox Engine¶
End of life
Mailbox Protection reached end of life on 28 February 2017 and is not part of BackupAssist v10 and later. This article applies to BackupAssist v9 and earlier, which no longer receive technical support. See Software end of life.
| Error code | Product | Applies to |
|---|---|---|
| BA105 | BackupAssist | BackupAssist v4 onward |
Description¶
This error will require the assistance of BackupAssist Technical Support to determine the best way to proceed.
Resolution¶
To contact BackupAssist Technical Support and provide diagnostic information, please click on the applicable section below and follow the steps provided.

If you are using BackupAssist v9.5.1 or later
- Open BackupAssist.
- Select Help from the menu at the top of the BackupAssist console.
- Select Contact Support ... from the drop-down menu. This will open the BackupAssist - Support dialog.
- Enter the details in the fields provided.
- Make sure the Submit system diagnostics to help with your query tick box is checked. This will zip your BackupAssist settings so technical support can review these specifically for your environment.
- Select Send.
BackupAssist technical support will review your message and diagnostics, and contact you to help resolve the problem.
If you are using BackupAssist v9.5.0 or earlier
- Open BackupAssist.
- Select Help from the menu at the top of the BackupAssist console.
- Select Feedback and Support … from the drop-down menu.
- Select Contact support. This will open the BackupAssist - Support dialog.
- Enter the details in the fields provided.
- Make sure the Submit system diagnostics to help with your query tick box is checked. This will zip your BackupAssist settings so technical support can review these specifically for your environment.
- Select Send.
BackupAssist technical support will review your message and diagnostics, and contact you to help resolve the problem.
| Last updated | Created | Further assistance |
|---|---|---|
| 23rd Jun 2009 | 16th Mar 2007 | BackupAssist Support page |