How To Fix /SCWM/MFS454 - Host &1 and port &2 are used

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MFS -

• Message number: 454

• Message text: Host &1 and port &2 are used

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MFS454 - Host &1 and port &2 are used ?

  The SAP error message /SCWM/MFS454 Host &1 and port &2 are used typically occurs in the context of the SAP Extended Warehouse Management (EWM) system when there is an issue with the configuration of the connection to a Material Flow System (MFS). This error indicates that the specified host and port combination is already in use, which can prevent the system from establishing a new connection.
  Cause:
  
  Existing Connection: The specified host and port are already being used by another process or connection. This can happen if there are multiple instances trying to connect to the same MFS.
  Configuration Issues: Incorrect configuration settings in the EWM or MFS setup can lead to conflicts in host and port assignments.
  Network Issues: Network problems or firewall settings may also cause connection issues, leading to the error message.
  
  Solution:
  
  Check Active Connections: Verify if there are any active connections using the same host and port. You can use network monitoring tools or check the MFS logs to identify existing connections.
  Change Port/Host Configuration: If possible, change the configuration to use a different port or host that is not currently in use. This can be done in the EWM configuration settings.
  Restart Services: Sometimes, restarting the MFS or EWM services can resolve temporary connection issues.
  Review Configuration Settings: Ensure that the configuration settings in both EWM and MFS are correct and do not conflict with each other. Check the RFC destinations and connection parameters.
  Consult Documentation: Refer to the SAP documentation for MFS and EWM for specific configuration guidelines and troubleshooting steps.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it involves complex configurations or system-specific issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs: Review the application logs in both EWM and MFS for more detailed error messages that can provide insights into the root cause.
  Network Configuration: Ensure that the network configuration allows for the necessary connections and that there are no firewall rules blocking the communication between EWM and MFS.
  
  By following these steps, you should be able to identify and resolve the issue related to the /SCWM/MFS454 error message.