How To Fix S_UNIFIED_CON_API172 - Workbench Error: Enqueued by System for virtual host &1

SAP Error Message - Details

• Message type: E = Error

• Message class: S_UNIFIED_CON_API - Messages for API for Unified Connectivity

• Message number: 172

• Message text: Workbench Error: Enqueued by System for virtual host &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message S_UNIFIED_CON_API172 - Workbench Error: Enqueued by System for virtual host &1 ?

  The SAP error message S_UNIFIED_CON_API172 indicates that a workbench request is enqueued by the system for a specific virtual host. This typically occurs when there are issues related to transport requests or when a system is locked due to ongoing processes or transactions.
  Cause:
  
  
  Enqueued by System: This error usually means that the workbench request is currently locked or enqueued by another process. This can happen if:
  
  Another user or process is currently modifying the same objects.
  There is a transport request that is being processed or has not been released.
  The system is in a state where it cannot process the request due to ongoing transactions or locks.
  
  
  
  Virtual Host Issues: The mention of a virtual host suggests that there may be issues related to the configuration of the SAP system, particularly in a distributed environment where multiple instances or hosts are involved.
  
  
  Solution:
  
  
  Check Locks: Use transaction code SM12 to check for any locks on the objects you are trying to modify. If you find locks that are no longer needed, you can delete them (ensure that you have the necessary authorizations and that it is safe to do so).
  
  
  Transport Management: If the issue is related to transport requests:
  
  Check the status of the transport request using transaction SE09 or SE10.
  Ensure that the transport request is released and not in a pending state.
  If necessary, consult with your transport administrator to resolve any transport-related issues.
  
  
  
  System Status: Check the system status to ensure that there are no ongoing processes that could be causing the lock. You can use transaction SM66 to monitor active processes in the system.
  
  
  Restart Services: If the issue persists, consider restarting the relevant services or the SAP system itself, especially if you suspect that the system is in an inconsistent state.
  
  
  Consult Logs: Review the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  
  
  Contact SAP Support: If you are unable to resolve the issue with the above steps, consider reaching out to SAP support for further assistance, especially if this is a recurring problem.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To check and manage locks.
  SE09/SE10: To manage transport requests.
  SM66: To monitor active processes.
  SM21: To view system logs.
  
  
  
  Documentation: Refer to SAP's official documentation or help portal for more detailed information on transport management and system locks.
  
  
  Best Practices: Regularly monitor and manage transport requests and system locks to prevent such issues from occurring in the future. Implementing proper change management processes can also help mitigate these types of errors.