How To Fix B1423 - You are logged on to partner system &

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 423

• Message text: You are logged on to partner system &

What causes this issue?

You are logged on by remote logon as user &SYST-UNAME& in the logical
system &v1& (client &SYST-MANDT& system name &SYST-SYSID& ). You cannot
exit the Transaction. Oncer it is completed, you will return to your
original system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1423 - You are logged on to partner system & ?

  The SAP error message B1423, which states "You are logged on to partner system &," typically occurs in the context of a system that is set up for cross-system communication, such as in scenarios involving IDocs, RFC calls, or other forms of inter-system integration. This error indicates that the user is currently logged into a partner system, which may prevent certain actions from being performed in the current system.
  Cause:
  
  User Session: The user is logged into a partner system (another SAP system) and is trying to perform an action that requires them to be logged out of that system.
  Configuration Issues: There may be configuration settings in the SAP system that are not properly set up for handling user sessions across systems.
  Authorization Issues: The user may not have the necessary authorizations to perform the action in the current system while logged into the partner system.
  
  Solution:
  
  Log Out of Partner System: The most straightforward solution is to log out of the partner system where the user is currently logged in. Once logged out, the user should be able to perform the desired action in the current system.
  Check User Sessions: If the user is not aware of being logged into another system, they should check their active sessions and log out of any unnecessary ones.
  Review Configuration: If this error occurs frequently, it may be worth reviewing the configuration settings related to user sessions and cross-system communication to ensure they are set up correctly.
  User Authorizations: Ensure that the user has the necessary authorizations to perform the action in the current system. This may involve checking roles and permissions assigned to the user.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SM04 to view active user sessions in the SAP system.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to cross-system communication and user management for best practices and guidelines.
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.