@Daniela_Bachman Did you ever get this resolved? We are having the same issue. We have a field "block marketo sync" and want to mark that true in bulk from the Marketo side so that it becomes checked in SFDC and keeps people from coming back into the system. I noticed that after running, it is not checking the box in SFDC. Anyone have suggestions?
The goal here is to delete members from the Mkto database, keep in SFDC, mark the field true to keep them from coming back.
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