1 of 1 people found this helpful
What do your tests show?
2 of 2 people found this helpful
Another person is not created if the email address is updated, rather the sync will log an activity of the change data value and the person will just have a new email address. However, if this new email address now matches another person with the same email address, both people will then populate your "Possible Duplicates" system smart list in Database.