How To Fix /IWBEP/CM_V4H_RUN023 - RFC Error: Logon failed. See System Log (transaction SM21) for details.

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4H_RUN -

• Message number: 023

• Message text: RFC Error: Logon failed. See System Log (transaction SM21) for details.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4H_RUN023 - RFC Error: Logon failed. See System Log (transaction SM21) for details. ?

  The SAP error message /IWBEP/CM_V4H_RUN023 RFC Error: Logon failed. See System Log (transaction SM21) for details typically indicates that there is an issue with the Remote Function Call (RFC) connection, which is often related to authentication or authorization problems. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Invalid Credentials: The user credentials (username/password) used for the RFC connection may be incorrect or have changed.
  User Lockout: The user account may be locked due to multiple failed login attempts.
  Expired Password: The password for the user account may have expired and needs to be reset.
  Authorization Issues: The user may not have the necessary authorizations to perform the requested operation.
  Network Issues: There may be network connectivity issues between the systems involved in the RFC call.
  Configuration Issues: The RFC destination may not be configured correctly in transaction SM59.
  
  Solutions:
  
  Check Credentials: Verify that the username and password used for the RFC connection are correct. If necessary, reset the password.
  Unlock User Account: If the user account is locked, unlock it using transaction SU01 or contact your SAP administrator.
  Reset Password: If the password has expired, reset it using transaction SU01.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the function module or transaction being called.
  Test RFC Connection: Use transaction SM59 to test the RFC connection. Check for any errors and ensure that the connection is configured correctly.
  Check System Log: Use transaction SM21 to review the system log for any additional error messages or details related to the logon failure.
  Network Troubleshooting: If there are network issues, check connectivity between the systems and ensure that firewalls or network settings are not blocking the connection.
  
  Related Information:
  
  Transaction Codes:
  
  SM21: System Log - to view logs for errors and warnings.
  SM59: RFC Destinations - to manage and test RFC connections.
  SU01: User Maintenance - to manage user accounts and passwords.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to RFC errors.
  Documentation: Review SAP documentation for details on configuring RFC connections and troubleshooting authentication issues.
  
  If the problem persists after checking the above points, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.