Users registered through the BBIS User Login part with the same address and email address and are not linked as a household or relationship. After these signup transactions are downloaded and committed to CRM, the primary email flag is cleared on one of their email addresses. As a result the constituent has a primary email address on their constituent record.
Article
Number:66978
Products:
Blackbaud_CRM
We are currently evaluating this issue and will update this article when we have more information.