How To Fix BGRFC400 - Scheduler runs under user &3 and client &4, not &1 and &2

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 400

• Message text: Scheduler runs under user &3 and client &4, not &1 and &2

What causes this issue?

You can debug the scheduler only if you are logged on with the same user
and in the same client as the scheduler.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Log on as the correct user and repeat the debugging action.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC400 - Scheduler runs under user &3 and client &4, not &1 and &2 ?

  The SAP error message BGRFC400 indicates that there is a mismatch in the user and client settings for the background RFC (BGRFC) scheduler. This error typically occurs when the BGRFC scheduler is trying to run under a different user or client than what is expected.
  Cause:
  The error message is triggered when:
  
  The BGRFC scheduler is configured to run under a specific user and client, but it is currently running under a different user and client.
  This can happen due to configuration changes, user authorizations, or if the BGRFC scheduler was started incorrectly.
  
  Solution:
  To resolve the BGRFC400 error, you can follow these steps:
  
  
  Check BGRFC Configuration:
  
  Go to transaction SM58 (Transactional RFC) and check the configuration of the BGRFC.
  Ensure that the BGRFC scheduler is set to run under the correct user and client.
  
  
  
  Restart the BGRFC Scheduler:
  
  You may need to stop and restart the BGRFC scheduler to ensure it picks up the correct user and client settings.
  Use transaction SM61 to manage the background jobs and check the status of the BGRFC scheduler.
  
  
  
  User Authorization:
  
  Verify that the user under which the BGRFC scheduler is supposed to run has the necessary authorizations to execute the required tasks.
  Check the user roles and profiles to ensure they are correctly assigned.
  
  
  
  Client Settings:
  
  Ensure that the client settings in the SAP system are correctly configured and that the BGRFC scheduler is not trying to run in a different client than intended.
  
  
  
  Check Logs:
  
  Review the logs for any additional error messages or warnings that might provide more context about the issue.
  Use transaction SLG1 to check application logs related to BGRFC.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP Notes or documentation related to BGRFC for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  BGRFC (Background RFC) is a mechanism in SAP that allows asynchronous communication between different SAP systems or between different processes within the same system.
  The error message format typically includes placeholders for the expected user and client, as well as the actual user and client that the scheduler is running under.
  It is important to ensure that the BGRFC configuration aligns with the overall system architecture and user management policies.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.