How To Fix TA248 - RFC login was performed in the incorrect target client

SAP Error Message - Details

• Message type: E = Error

• Message class: TA - Extended table maintenance (eval., Customizing, client copy)

• Message number: 248

• Message text: RFC login was performed in the incorrect target client

What causes this issue?

To import a client with the TMS, the RFC call needs to log itself on to
the target client, to test the system parameters and the
authorizations.

How to fix this error?

Log on to the target client using RFC.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TA248 - RFC login was performed in the incorrect target client ?

  The SAP error message TA248 indicates that an RFC (Remote Function Call) login was attempted in the incorrect target client. This typically occurs when a connection is made to an SAP system, but the client specified in the connection parameters does not match the expected client for the operation being performed.
  Cause:
  
  Incorrect Client Number: The client number specified in the RFC connection settings does not match the client number of the target SAP system.
  Configuration Issues: The RFC destination may be incorrectly configured in the SAP system, leading to a mismatch in the expected client.
  User Authorization: The user may not have the necessary authorizations in the specified client, leading to a failed login.
  System Landscape Changes: Changes in the system landscape, such as client copies or system refreshes, may lead to discrepancies in client configurations.
  
  Solution:
  
  
  Verify Client Number: Check the client number in the RFC destination settings and ensure it matches the target client in the SAP system.
  
  You can do this by going to transaction SM59 (RFC Destinations) and reviewing the settings for the relevant RFC destination.
  
  
  
  Check User Authorizations: Ensure that the user credentials being used for the RFC connection have the necessary authorizations in the target client.
  
  You can check user roles and authorizations using transaction SU01 (User Maintenance).
  
  
  
  Correct RFC Destination Configuration: If the RFC destination is incorrectly configured, update it with the correct client number and other relevant parameters.
  
  Make sure to test the connection after making changes to confirm that it works as expected.
  
  
  
  Consult System Administrator: If you are unsure about the correct client or if there have been recent changes to the system landscape, consult with your SAP Basis administrator or system administrator for assistance.
  
  
  Check for System Changes: If there have been recent changes to the system (like client copies or refreshes), ensure that the RFC destinations are updated accordingly.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  SU01: To manage user accounts and authorizations.
  SCC4: To manage client settings and configurations.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on RFC connections and client management.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to RFC connections and client configurations.
  
  
  By following these steps, you should be able to resolve the TA248 error and successfully establish the RFC connection to the correct client.