Chrysler warranty transfer

Can anyone tell how to have tech id# transfer from DMS to Chrysler Dealer Connect. IEN as to want or where they link.
No one I've talked to at either company is able to help. R&R era DMS. Have tried last 4 of sin in 0551 factory or does dealer connect need to reflect IEN
No one I've talked to at either company is able to help. R&R era DMS. Have tried last 4 of sin in 0551 factory or does dealer connect need to reflect IEN