How To Fix GW484 - SAP gateway connection failed; is SAP gateway started?

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 484

• Message text: SAP gateway connection failed; is SAP gateway started?

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message GW484 - SAP gateway connection failed; is SAP gateway started? ?

  The SAP error message GW484 indicates that there is a failure in establishing a connection to the SAP Gateway. This can occur for various reasons, and understanding the cause is essential for troubleshooting. Here’s a breakdown of potential causes, solutions, and related information:
  Causes of GW484 Error
  
  
  SAP Gateway Not Running: The most common cause is that the SAP Gateway service is not started or has crashed.
  
  
  Network Issues: There may be network connectivity issues between the client and the SAP server.
  
  
  Incorrect Configuration: The configuration settings for the SAP Gateway might be incorrect, including the gateway host or port.
  
  
  Firewall Restrictions: A firewall may be blocking the connection to the SAP Gateway.
  
  
  Resource Limitations: The server may be experiencing resource limitations (e.g., memory, CPU) that prevent the Gateway from functioning properly.
  
  
  SAP System Issues: There may be issues with the SAP system itself, such as a system downtime or maintenance.
  
  
  Solutions
  
  
  Check SAP Gateway Status:
  
  Use transaction SMGW in the SAP GUI to check if the Gateway is running. If it is not, you may need to start it.
  
  
  
  Start the Gateway:
  
  If the Gateway is not running, you can start it from the SAP system. This usually requires administrative privileges.
  
  
  
  Verify Network Connectivity:
  
  Ensure that the client can reach the SAP server. You can use tools like ping or telnet to check connectivity to the Gateway host and port.
  
  
  
  Check Configuration Settings:
  
  Verify the configuration settings in the SAP system. Ensure that the gateway host and port are correctly configured in the RFC destination.
  
  
  
  Review Firewall Settings:
  
  Check if there are any firewall rules that might be blocking the connection to the SAP Gateway. Adjust the rules as necessary.
  
  
  
  Monitor System Resources:
  
  Check the server's resource usage to ensure that it is not overloaded. You may need to optimize performance or allocate more resources.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that might address known issues related to the Gateway. SAP Notes can provide patches or workarounds.
  
  
  
  Restart the SAP System:
  
  If all else fails, consider restarting the SAP system, as this can sometimes resolve underlying issues.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SMGW: Monitor the SAP Gateway.
  SM51: Check the status of application servers.
  SM12: Check for locked entries that might affect performance.
  
  
  
  Logs:
  
  Review the Gateway logs for any error messages that might provide more context about the failure. Logs can be found in the dev_gateway file.
  
  
  
  SAP Support:
  
  If the issue persists, consider reaching out to SAP Support for further assistance, especially if it is a production environment.
  
  
  
  By following these steps, you should be able to diagnose and resolve the GW484 error effectively.