How To Fix XMS_ADM643 - Restoring '&1' user context failed in kernel with error '&2': "&3&4".

SAP Error Message - Details

• Message type: E = Error

• Message class: XMS_ADM - XMS - Administration

• Message number: 643

• Message text: Restoring '&1' user context failed in kernel with error '&2': "&3&4".

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message XMS_ADM643 - Restoring '&1' user context failed in kernel with error '&2': "&3&4". ?

  The SAP error message XMS_ADM643 indicates that there was a failure in restoring a user context in the SAP kernel. This error can occur in various scenarios, often related to issues with user sessions, authorization, or system resources. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  User Session Issues: The user context may not be properly initialized or may have been corrupted.
  Authorization Problems: The user may not have the necessary authorizations to perform the action that triggered the error.
  Kernel Issues: There may be a problem with the SAP kernel itself, such as bugs or incompatibilities.
  Resource Limitations: Insufficient system resources (memory, CPU) can lead to failures in restoring user contexts.
  Database Connection Issues: Problems with the database connection can also lead to this error, especially if the user context relies on database access.
  
  Solutions:
  
  Check User Authorizations: Ensure that the user has the necessary authorizations to perform the action. You can use transaction SU53 to analyze authorization failures.
  Restart the User Session: Log out and log back in to the SAP system to reset the user session.
  Check System Resources: Monitor system resources (memory, CPU, etc.) to ensure that the system is not overloaded. You can use transaction SM50 or SM66 to check active processes.
  Review Kernel Logs: Check the kernel logs for any additional error messages or warnings that could provide more context about the failure. You can find these logs in the dev_* files in the work directory of the SAP system.
  Update or Patch the Kernel: If the issue is related to a kernel bug, consider updating to the latest kernel version or applying relevant patches.
  Database Connection Check: Ensure that the database is running properly and that there are no connectivity issues. You can use transaction DB02 to monitor database performance and connections.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU53 (Authorization Check), SM50 (Process Overview), SM66 (Global Process Overview), and DB02 (Database Performance).
  SAP Notes: Search for SAP Notes related to the error message XMS_ADM643 in the SAP Support Portal. There may be specific notes addressing known issues or providing additional troubleshooting steps.
  Documentation: Review SAP documentation for user management and authorization concepts to better understand how user contexts are managed within the system.
  
  By following these steps, you should be able to diagnose and potentially resolve the issue related to the XMS_ADM643 error message.