Protected: Apple MAC 403.16 forbidden error. Turn off Client Certificates in IIS. You must log in to view this article Updated on December 20, 2024 Tagged: apple mac client certificate 403.13 forbidden error ignore turn off Was this article helpful? Yes No Related Articles Protected: Aida Bella StreamConnect server is unavailable. Protected: StreamConnect EHR Protected: MRN number Protected: SAML update Protected: Telepack export folder contains EOS file. Protected: Add Chat SSL Certificate cert.