How To Fix GW903 - Gateway connections

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 903

• Message text: Gateway connections

What causes this issue?

This MTE node gives information about what percentage of the maximum
possible clients exist for the gateway in question.
For example, if the gateway can administrate 500 clients, and there are
currently 50 clients logged on to the gateway, the value is 10%.

How to fix this error?

If the value is near 100%, the maximum number of clients can be changed
using the profile parameter <ZH>gw/max_sys </> (see the parameter
documentation in RZ11).

Procedure for System Administrators

To administrate gateway connections, call transaction SMGW on the server
in question.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GW903 - Gateway connections ?

  The SAP error message GW903 typically indicates an issue with Gateway connections, specifically related to the SAP Gateway service. This error can occur in various scenarios, such as when trying to connect to an SAP system or when there are issues with the configuration of the Gateway.
  Cause:
  
  Network Issues: There may be network connectivity problems between the client and the SAP Gateway server.
  Configuration Errors: Incorrect configuration settings in the SAP Gateway or the client application can lead to this error.
  Service Not Running: The SAP Gateway service may not be running on the server.
  Authorization Issues: The user may not have the necessary authorizations to access the Gateway.
  Resource Limitations: The Gateway may be overloaded or have reached its connection limit.
  
  Solution:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the client and the SAP Gateway server. You can use tools like ping or traceroute to diagnose network issues.
  Verify Gateway Configuration: Check the configuration settings in the SAP Gateway. Ensure that the correct host and port are being used.
  Restart Gateway Service: If the Gateway service is not running, restart it. You can do this through the SAP Management Console or by using transaction codes like SMGW.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the Gateway. You may need to consult with your SAP security team.
  Monitor System Resources: Check the system resources on the SAP Gateway server. If the server is overloaded, consider optimizing performance or increasing resources.
  Review Logs: Check the Gateway logs for more detailed error messages that can provide additional context about the issue. You can access logs using transaction SMGW and navigating to the logs section.
  
  Related Information:
  
  Transaction Codes: 
  
  SMGW: Gateway Monitor
  SM21: System Log
  ST22: Dump Analysis
  SM50: Process Overview
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to GW903.
  Documentation: Review the official SAP documentation for Gateway configuration and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.