How To Fix BV426 - Could not reach LAW central system by RFC: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: BV - Customer Measurement

• Message number: 426

• Message text: Could not reach LAW central system by RFC: &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 BV426 - Could not reach LAW central system by RFC: &1 ?

  The SAP error message BV426 indicates that the system is unable to reach the LAW (License Administration Workbench) central system via RFC (Remote Function Call). This can occur due to various reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the LAW central system.
  RFC Destination Configuration: The RFC destination for the LAW central system may not be configured correctly in the SAP system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  LAW Central System Down: The LAW central system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls may be blocking the communication between the two systems.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to check if the LAW central system is reachable from the SAP system.
  Ensure that there are no network outages or issues.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination that points to the LAW central system.
  Ensure that the connection type is set correctly (usually "3" for TCP/IP connections).
  Test the connection using the "Connection Test" button.
  
  
  
  Check User Authorizations:
  
  Ensure that the user used for the RFC connection has the necessary authorizations to access the LAW central system.
  Check the roles and profiles assigned to the user.
  
  
  
  Check LAW Central System Status:
  
  Verify that the LAW central system is up and running.
  If you have access, check the logs of the LAW system for any errors or issues.
  
  
  
  Firewall and Security Settings:
  
  Ensure that any firewalls between the two systems allow traffic on the required ports for RFC communication.
  Consult with your network/security team if necessary.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for configuring RFC connections and the LAW central system.
  Logs: Check the system logs (transaction SM21) for any additional error messages that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.