I am currently working with version SugarCRM Enterprise, Version 8.0.1.
Created the assigned to field level permission as read only under the accounts module. associated to a particular role.
I would expect an account to be created as normal, with the user who created the account, also populated into the "Assigned To" field. However this cannot be edited by anyone who has the same role (including the user who created the account).
User connected to the role creates an account the assigned to field is null as opposed to read only. I would expect the assigned to as normal to be the user whom created the record and with read only selected like in other fields this cannot be edited.