A customer administrator cannot assign roles in system properties on Service Portal.Issue <!-- div.margin { padding: 10px 40px 40px 30px; } table.tocTable { border: 1px solid; border-color: #e0e0e0; background-color: #fff; } .title { color: #d1232b; font-weight: normal; font-size: 28px; } h1 { color: #d1232b; font-weight: normal; font-size: 21px; margin-bottom: 5px; border-bottom-width: 2px; border-bottom-style: solid; border-bottom-color: #cccccc; } h2 { color: #646464; font-weight: bold; font-size: 18px; } h3 { color: #000000; font-weight: bold; font-size: 16px; } h4 { color: #666666; font-weight: bold; font-size: 15px; } h5 { color: #000000; font-weight: bold; font-size: 13px; } h6 { color: #000000; font-weight: bold; font-size:14px; } ul, ol { margin-left: 0; list-style-position: outside; } --> A customer administrator (sn_customerservice.customer_admin role) cannot assign roles listed in the system properties (sn_customerservice.contact_role_assignment) on Service Portal. Steps to reproduce: Go to Customer Service > Administration > Properties (sn_customerservice.contact_role_assignment system property)The list of roles in External roles that can be assigned to contacts via Customer portal should be available to edit on CSM.Impersonate a user who has the customer admin (sn_customerservice.customer_admin) role.Go to /csmGo to Support > ContactsSelect any contact to edit.Select Edit Role. Following these steps, only sn_customerservice.customer and sn_customerservice.customer_admin are available. The admin cannot see the Partner administrator role (sn_customerservice.partner_admin) or the Partner role (sn_customerservice.partner). ReleaseAny versionCauseThe roles availability depends on the configuration of the account that the contact belongs to. If the account is configured only as a customer then partner roles would not be available in Edit Role.ResolutionTo check if the account is a customer or Partner, follow these steps: Go to Customer service > ContactOpen the contact (user) to check the account this contact belongs to.Go to Customer > AccountOpen the account to see which checkbox is selected: Customer or Partner