https://userapps.support.sap.com/sap/support/knowledge/en/2666331
2666331 - ume.logon.selfreg parameter on NetWeaver Java later than 7.0 SP12 | SAP Knowledge Base...
On a 7.0x NetWeaver Java server, with a version lower than 7.0 SP12, portal self-registration was enabled using the UME parameter ume.logon.selfreg. In later...
https://selfreg.mero.place/
selfreg