Error Message

Merge1.Targets.EwsTarget.EwsTarget - HandleSendException: Merge1.Targets.Base.ConnectionException | Authentication failed.

This is due to an enhanced layer of security in Exchange that is intended to mitigate authentication relay / man-in-the-middle attacks. 

At this time, there are no plans to address this issue through a patch or hotfix in the current or previous versions of the software. Although this issue may potentially be resolved in a future major revision, it is not currently scheduled for any upcoming release. If this issue has a significant business impact on your continued use of the product, please contact your Sales representative or the Sales team to discuss your concerns.