How To Fix /IWFND/CM_BEC027 - RFC Error: Invalid time stamp in the logon data from SAP GW hub system

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_BEC -

• Message number: 027

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

Self-Explanatory Message

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• What is the cause and solution for SAP error message /IWFND/CM_BEC027 - RFC Error: Invalid time stamp in the logon data from SAP GW hub system ?

  The SAP error message /IWFND/CM_BEC027 RFC Error: Invalid time stamp in the logon data from SAP GW hub system typically indicates an issue with the time synchronization between the SAP Gateway (GW) hub 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.
  Cause:
  
  Time Desynchronization: The most common cause of this error is that the system clocks of the SAP Gateway hub and the backend system are not synchronized. If the time difference exceeds a certain threshold, the authentication process will fail.
  Network Latency: High network latency or issues in the network can also lead to time discrepancies.
  Configuration Issues: Incorrect configuration settings in the SAP Gateway or backend system can also lead to this error.
  
  Solution:
  
  
  Synchronize System Clocks:
  
  Ensure that both the SAP Gateway hub and the backend system are synchronized to the same time source. This can be done using NTP (Network Time Protocol) servers.
  You can check the current time settings in SAP using transaction SM51 to view the application servers and their respective times.
  
  
  
  Check Time Zone Settings:
  
  Verify that the time zone settings are correctly configured in both systems. You can check this in transaction SU01 for user profiles or in the system settings.
  
  
  
  Review RFC Destination:
  
  Check the RFC destination settings in transaction SM59. Ensure that the connection parameters are correctly set and that the connection is working properly.
  
  
  
  Restart Services:
  
  If changes are made to the time settings, consider restarting the SAP Gateway and backend services to ensure that the changes take effect.
  
  
  
  Check for Network Issues:
  
  Investigate any potential network issues that could be causing delays or time discrepancies.
  
  
  
  Review Logs:
  
  Check the system logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Related Information:
  
  NTP Configuration: Ensure that both systems are configured to use a reliable NTP server for time synchronization.
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  System Monitoring: Implement monitoring tools to keep track of system time and network latency to prevent future occurrences of this error.
  
  By addressing the time synchronization issue and ensuring proper configuration, you should be able to resolve the /IWFND/CM_BEC027 error.