The 64 bit version of the Enterprise Vault Outlook Add-In will not load when the 'Outlook Trust Center Macro Setting' is set to disable unsigned macros

Problem

The 64 bit version of the Enterprise Vault Outlook Add-In will not load if the Macro Settings in Outlook (accessed in MS Outlook via  File - Options - Trust Center - Trust Center Settings) has been configured as follows:

1. Enable 'Notifications for digitally signed macros, all other macros disabled' 
2. Enable 'Apply macro security settings to installed add-ins' under the 'Add-ins' section

The Macro Settings can be seen in the screenshot below:

Error Message

Under File - Options - Add-Ins , the status of the Enterprise Vault Add-in will be "Not loaded. Certificate of signed and load at startup COM Add-in is not in trusted
source list'

Solution

This issue has been addressed in the following release:
 
Enterprise Vault 12.1.2 Release
http://www.veritas.com/docs/000125196