How To Fix /SCWM/MFS437 - Enter port information directly in the SAP router string

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MFS -

• Message number: 437

• Message text: Enter port information directly in the SAP router string

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MFS437 - Enter port information directly in the SAP router string ?

  The SAP error message /SCWM/MFS437 Enter port information directly in the SAP router string typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an issue with the configuration of the SAP router string. This error indicates that the system is expecting the port information to be included directly in the SAP router string, but it is not present.
  Cause:
  
  Incorrect SAP Router String: The SAP router string may be incorrectly formatted or missing the port information. The router string is used to define the connection parameters for the SAP system, including the host and port.
  Configuration Issues: There may be issues in the configuration settings related to the SAP router or the communication settings in the system.
  Network Issues: There could be network-related issues that prevent the system from correctly interpreting the router string.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the SAP Router String:
  
  Go to the transaction code SM59 (RFC Destinations).
  Locate the relevant RFC destination that is causing the issue.
  Ensure that the SAP router string is correctly formatted. The correct format should include the port number, for example:
  /H/<hostname>/S/<port>
  
  Example: If your hostname is example.com and the port is 3299, the router string should look like:
  /H/example.com/S/3299
  
  
  
  
  Update the Configuration:
  
  If the router string is incorrect, update it with the correct format and save the changes.
  Test the connection to ensure that it works correctly after the update.
  
  
  
  Check Network Configuration:
  
  Ensure that there are no firewall or network issues that might be blocking the connection to the specified host and port.
  Verify that the SAP router is running and accessible.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or help resources for more detailed information on configuring the SAP router and RFC destinations.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configuration and network settings, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  SAP Router: The SAP router is a program that acts as a gateway between SAP systems and external networks. It is used to control access to SAP systems and can be configured to enhance security.
  RFC Destinations: Remote Function Call (RFC) destinations are used in SAP to define how to connect to other SAP systems or external systems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59 for RFC configuration and SICF for service configuration.
  
  By following these steps, you should be able to resolve the error message /SCWM/MFS437 and ensure proper communication between your SAP systems.