How To Fix B1608 - R/2 rejects logon, for details refer to R/2 system log

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 608

• Message text: R/2 rejects logon, for details refer to R/2 system log

What causes this issue?

No authorization for logon on the R/2 system.

How to fix this error?

Check the settings in the transaction SM59 for the receiving
R/2 system.
The sending of this IDoc will not be repeated.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1608 - R/2 rejects logon, for details refer to R/2 system log ?

  The SAP error message B1608 "R/2 rejects logon" typically indicates that there is an issue with the connection between the SAP R/3 system and the R/2 system. This error can occur for several reasons, and understanding the cause is essential for troubleshooting.
  Causes:
  
  Incorrect Logon Credentials: The username or password used to log on to the R/2 system may be incorrect.
  User Authorization Issues: The user may not have the necessary authorizations to log on to the R/2 system.
  Network Issues: There may be network connectivity problems between the R/3 and R/2 systems.
  Configuration Issues: The connection settings between the R/3 and R/2 systems may not be configured correctly.
  R/2 System Down: The R/2 system may be down or not reachable at the time of the logon attempt.
  Expired User Account: The user account may have expired or been locked.
  
  Solutions:
  
  Verify Credentials: Ensure that the username and password are correct. Try logging in directly to the R/2 system to confirm.
  Check Authorizations: Verify that the user has the necessary authorizations to access the R/2 system. This may require checking with a system administrator.
  Network Connectivity: Check the network connection between the R/3 and R/2 systems. Ensure that both systems can communicate with each other.
  Review Configuration: Check the configuration settings in the R/3 system for the connection to the R/2 system. Ensure that the connection parameters are correct.
  Check R/2 System Status: Ensure that the R/2 system is up and running. You may need to contact the system administrator for the R/2 system.
  User Account Status: Check if the user account is active and not locked or expired. If necessary, reset the password or unlock the account.
  
  Related Information:
  
  System Logs: Refer to the R/2 system log for more detailed information about the error. This log may provide specific error codes or messages that can help diagnose the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review the documentation for both the R/3 and R/2 systems to ensure that all configurations and settings are correct.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support or a technical consultant with experience in R/3 and R/2 systems.