SAP Knowledge Base Article - Preview

3046489 - The user mapping for remote system is not unique - How-to proceed


When selecting a user in User Administration or when creating a user mapping to a reference ABAP system the error message below is displayed:

The user mapping for remote system "<SYSTEM>" is not unique. At least one other user is also mapped to remote user ID "<USER_ID>". This can lead to problems when it is necessary to uniquely identify the user mapped to this remote user ID ("inverse user mapping").



  • NetWeaver Application Server Java
  • Enterprise Portal


SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.3


KBA , BC-JAS-SEC-UME , User Management Engine , Problem

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