https://userapps.support.sap.com/sap/support/knowledge/en/3360330
3360330 - Legacy Kerberos configuration - SAPSNCSKERB.pse | SAP Knowledge Base Article
Older SAP Single Sign On product used SAPSNCSKERB.pse file to store Kerberos Keytab needed for Windows authentication in SAPGUI using SNC In current supported...
sap knowledgelegacykerberosconfigurationpse