here is my workaround.... after talking to them twice a few months ago..

https://proconnect.intuit.com/community/proseries-discussions/discussion/re-how-can-you-fix-a-duplic...

be sure and do exactly the steps i outlined..and read the last post by another user...if clarifies my Step 3..

Just used it again and it worked again.. (i think)

you may have to click on 'fix duplicate SSN " in the next step column after doing this.