How To Fix 00236 - SAP gateway connection failed. Is SAP gateway started?

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 236

• Message text: SAP gateway connection failed. Is SAP gateway started?

What causes this issue?

The SAP gateway was not started or the parameters for setting up the
connection are not correct. Contact the person in charge.

System Response

The CPIC link is terminated.

How to fix this error?

Start the SAP gateway or correct the parameters for setting up the
connection.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00236 - SAP gateway connection failed. Is SAP gateway started? ?

  The SAP error message "00236 SAP gateway connection failed" typically indicates that there is an issue with the SAP Gateway service, which is responsible for handling communication between the SAP system and external applications or clients. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  SAP Gateway Not Started: The SAP Gateway service may not be running. This is the most common cause of the error.
  Network Issues: There may be network connectivity issues between the client and the SAP server.
  Incorrect Configuration: The SAP Gateway may be misconfigured, including incorrect parameters in the instance profile or the SAP router string.
  Firewall Issues: Firewalls may be blocking the necessary ports for SAP Gateway communication.
  Resource Limitations: The server may be experiencing resource limitations (CPU, memory) that prevent the Gateway from functioning properly.
  SAP System Down: The entire SAP system may be down or undergoing maintenance.
  
  Solutions:
  
  
  Check SAP Gateway Status:
  
  Use transaction code SMGW in the SAP GUI to check the status of the SAP Gateway. Ensure that the gateway is running.
  If it is not running, you may need to start it using the appropriate command or through the SAP Management Console.
  
  
  
  Restart the SAP Gateway:
  
  If the gateway is running but still causing issues, consider restarting the SAP Gateway service.
  
  
  
  Check Network Connectivity:
  
  Verify that the client can reach the SAP server. You can use tools like ping or telnet to check connectivity to the SAP server's IP address and port.
  
  
  
  Review Configuration:
  
  Check the instance profile parameters related to the SAP Gateway. Ensure that the settings are correct.
  Review the SAP router string if applicable.
  
  
  
  Firewall Configuration:
  
  Ensure that the necessary ports (default is 3200 for the SAP Gateway) are open in the firewall settings.
  
  
  
  Check System Resources:
  
  Monitor the server's CPU and memory usage to ensure that it is not overloaded. If it is, consider optimizing the system or upgrading resources.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that may address known issues with the SAP Gateway.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SMGW: Gateway Monitor
  SM51: List of SAP Servers
  SM12: Display and Delete Locks
  SM21: System Log
  
  
  
  SAP Documentation: Refer to the official SAP Help Portal for detailed documentation on SAP Gateway and troubleshooting steps.
  
  
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.