How To Fix RSCRT223 - Deamon is already running or is locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: RSCRT - Near-To-Real-Time Messages

• Message number: 223

• Message text: Deamon is already running or is locked by another user

Self-Explanatory Message

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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 RSCRT223 - Deamon is already running or is locked by another user ?

  The SAP error message RSCRT223 indicates that the background processing daemon (often referred to as the "SAP background job processing daemon") is either already running or is locked by another user. This can occur in various scenarios, particularly when trying to start or manage background jobs in the SAP system.
  Cause:
  
  Daemon Already Running: The daemon process that handles background jobs is already active. This can happen if a previous job or process did not terminate correctly.
  Lock by Another User: Another user or process may have locked the daemon, preventing you from starting or managing it.
  System Configuration Issues: There may be configuration issues or inconsistencies in the system that are causing the daemon to be in a locked state.
  User Permissions: The user attempting to start or manage the daemon may not have the necessary permissions to do so.
  
  Solution:
  
  Check Running Processes: Use transaction codes like SM37 (to check background jobs) or SM50 (to check active processes) to see if the daemon is already running. If it is, you may need to wait for it to complete or terminate it if it is stuck.
  Release Locks: If the daemon is locked by another user, you can check for locks using transaction code SM12. Look for locks related to the daemon and release them if appropriate.
  Restart the Daemon: If you have the necessary permissions, you can try to restart the daemon. This can often be done through transaction SM37 or by using the appropriate administrative commands.
  Check User Permissions: Ensure that the user has the necessary authorizations to manage background jobs and the daemon.
  System Restart: In some cases, a system restart may be necessary to clear any lingering processes or locks.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (for monitoring background jobs), SM50 (for monitoring active processes), and SM12 (for checking and releasing locks).
  SAP Documentation: Refer to the official SAP documentation for more detailed information on background processing and daemon management.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.