Hi Jonathan,You can refer to below similar thread to get more information about SAP RISE.https://answers.sap.com/questions/13652080/rise-with-sap-2.html
Yes then in O365 they have stopped supporting old TLS versions thus these issues are occured.Please check below link.https://docs.microsoft.com/en-us/troubleshoot/azure/active-directory/enable-support-tls-environment?tabs=azure-monitor
You can simply...