How To Fix GW045 - Remote query rejected by remote gateway

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 045

• Message text: Remote query rejected by remote gateway

What causes this issue?

The remote gateway is using the profile parameter <ZH>gw/monitor</>
with a value <> 2.

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

System Response

Remote maintenance is not possible.

How to fix this error?

Procedure for System Administrators

If you want to use remote maintenance, you have to set the profile
parameter <ZH>gw/monitor </> in the appropriate profile file to the
value 2 (see parameter documentation in RZ11).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GW045 - Remote query rejected by remote gateway ?

  The SAP error message GW045: Remote query rejected by remote gateway typically occurs in the context of SAP Gateway and indicates that a request made to a remote system was rejected. This can happen for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes:
  
  Authorization Issues: The user or system making the request may not have the necessary authorizations to access the remote system.
  Network Issues: There may be network connectivity problems between the SAP system and the remote gateway.
  Configuration Errors: Incorrect configuration settings in the SAP Gateway or the remote system can lead to rejection of queries.
  Service Availability: The service being requested may not be available or may not be properly registered on the remote system.
  Timeouts: The request may be timing out due to long processing times or network delays.
  Data Format Issues: The data being sent in the request may not be in the expected format, leading to rejection.
  
  Solutions:
  
  Check Authorizations: Ensure that the user or system has the necessary authorizations to access the remote gateway. This may involve checking roles and permissions in both the local and remote systems.
  Verify Network Connectivity: Test the network connection between the SAP system and the remote gateway. Use tools like ping or traceroute to diagnose connectivity issues.
  Review Configuration Settings: Check the configuration of the SAP Gateway and the remote system. Ensure that the destination settings, RFC connections, and service registrations are correct.
  Check Service Availability: Verify that the service you are trying to access is active and properly configured on the remote system. You can use transaction codes like /IWFND/MAINT_SERVICE to check service registrations.
  Increase Timeout Settings: If timeouts are suspected, consider increasing the timeout settings in the SAP Gateway configuration.
  Validate Data Formats: Ensure that the data being sent in the request adheres to the expected format and structure required by the remote service.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SMGW (Gateway Monitor) to monitor gateway activities and check for errors.
  Logs and Traces: Check the system logs (transaction SLG1) and gateway traces (transaction SMGW) for more detailed error messages that can provide additional context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the GW045 error.
  Documentation: Review the SAP Gateway documentation for best practices on configuration and troubleshooting.
  
  By systematically checking these areas, you should be able to identify the root cause of the GW045 error and implement an appropriate solution.