How To Fix /IWBEP/CM_V4H_RUN020 - RFC Error: Invalid time stamp in the logon data from SAP GW system

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4H_RUN -

• Message number: 020

• Message text: RFC Error: Invalid time stamp in the logon data from SAP GW system

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4H_RUN020 - RFC Error: Invalid time stamp in the logon data from SAP GW system ?

  The SAP error message /IWBEP/CM_V4H_RUN020 RFC Error: Invalid time stamp in the logon data from SAP GW system typically indicates an issue with the time synchronization between the SAP Gateway system and the backend system. This error can occur when the timestamps in the logon data do not match, which can lead to authentication failures.
  Causes:
  
  Time Desynchronization: The most common cause is that the system clocks of the SAP Gateway and the backend system are not synchronized. This can happen if the systems are in different time zones or if one of the systems has an incorrect time setting.
  Network Latency: High network latency can sometimes cause issues with the time stamps being sent during the logon process.
  Configuration Issues: Incorrect configuration in the RFC destination or in the SAP Gateway settings can also lead to this error.
  
  Solutions:
  
  
  Synchronize System Clocks:
  
  Ensure that both the SAP Gateway and the backend system are synchronized to the same time source. You can use NTP (Network Time Protocol) to synchronize the clocks.
  Check the time zone settings on both systems to ensure they are set correctly.
  
  
  
  Check RFC Destination:
  
  Verify the RFC destination settings in the SAP Gateway. Ensure that the connection parameters are correct and that the destination is configured properly.
  Test the RFC connection using transaction SM59 to ensure that it is working correctly.
  
  
  
  Review Network Configuration:
  
  Check for any network issues that might be causing delays or packet loss between the systems.
  Ensure that there are no firewalls or security settings that could be interfering with the communication.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that might address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  
  
  Restart Services:
  
  In some cases, restarting the SAP Gateway service or the backend system can help resolve temporary issues.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59 - To manage RFC destinations.
  SM21 - To check system logs for additional error messages.
  ST22 - To check for dumps that might provide more context on the error.
  
  
  
  SAP Basis Team: If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team for further investigation.
  
  
  Documentation: Refer to the official SAP documentation for more details on RFC connections and troubleshooting.
  
  
  By addressing the time synchronization and ensuring proper configuration, you should be able to resolve the /IWBEP/CM_V4H_RUN020 error.