2554187 - SAP Single Sign-On - No user exists with SNC name "p:SECURE LOGIN ENCRYPTION ONLY MODE" - Kerberos

• SNC for Kerberos using SAP Single Sign-On 3.0 is configured. On attempted logon to SAP GUI, SSO doesn't work and the following message is seen:
  
  No user exists with SNC name "p:SECURE LOGIN ENCRYPTION ONLY MODE"
  
  
• The Secure Login Client "Developer Traces" shows one of the following:
  
  1. That the server does not accept Kerberos: 
  
  [sbus.exe][sbus.dll] Server accepts:
  [sbus.exe][sbus.dll]   Kerberos: no  
  [sbus.exe][sbus.dll]   X.509: yes
  [sbus.exe][sbus.dll]   EncryptionOnly: yes
  
  OR
  
  2. That the issue is related to the Kerberos token:
  
  [sbus.exe][Kerberos][  1252] Getting kerberos ticket for 'SAP/<Name>' failed
  ...
  [sbus.exe][Kerberos][ 24048] Using encryption only mode

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

• SAP Single Sign-On 3.0
  
• SAP NetWeaver Application Server ABAP
  
• ABAP Platform
  
• SAP S/4HANA
  

SSO, keytab, RZ10, error, fail, SNCWIZARD, securelogin, No user exists with SNC name, p:SECURE LOGIN ENCRYPTION ONLY MODE, SLC, encryption only mode, Kerberos , KBA , BC-IAM-SSO-SL , Secure Login , Problem