How To Fix GW905 - Gateway comm_adm entries

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 905

• Message text: Gateway comm_adm entries

What causes this issue?

Number of communication entries on an application server.

How to fix this error?

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

Procedure for System Administrators

You can display all relevant gateway parameter in transaction. You can
change some of the parameters dynamically there too.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GW905 - Gateway comm_adm entries ?

  The SAP error message GW905 typically relates to issues with the Gateway service, specifically concerning the communication administration (comm_adm) entries. This error can occur in various scenarios, often when there are problems with the configuration or the communication setup in the SAP Gateway.
  Cause:
  
  Missing or Incorrect Configuration: The error may arise if the communication settings for the SAP Gateway are not properly configured.
  Service Not Running: The SAP Gateway service may not be running or may have encountered an error.
  Network Issues: There could be network connectivity issues preventing proper communication between the SAP system and external systems.
  Authorization Issues: The user may not have the necessary authorizations to access the Gateway services.
  Incorrect RFC Destination: The RFC destination used for communication may be incorrectly configured or not reachable.
  
  Solution:
  
  
  Check Gateway Configuration:
  
  Use transaction code SMGW to access the Gateway monitor.
  Verify the configuration settings and ensure that the necessary services are active.
  
  
  
  Restart the Gateway Service:
  
  If the Gateway service is not running, restart it. This can often resolve temporary issues.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing communication. You can use tools like ping or traceroute to check connectivity.
  
  
  
  Review Authorizations:
  
  Check the user authorizations to ensure that the user has the necessary permissions to access the Gateway services.
  
  
  
  Validate RFC Destinations:
  
  Use transaction code SM59 to check the RFC destinations. Ensure that they are correctly configured and test the connection to ensure it is working.
  
  
  
  Check Logs for Detailed Errors:
  
  Review the Gateway logs for any additional error messages that may provide more context on the issue. You can access logs via transaction SM21 or SLG1.
  
  
  
  Update SAP Notes:
  
  Check for any relevant SAP Notes that may address known issues related to the GW905 error. Implement any recommended corrections or updates.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SMGW: Gateway Monitor
  SM59: RFC Destinations
  SM21: System Log
  SLG1: Application Log
  
  
  
  SAP Notes: Always check the SAP Support Portal for any specific notes related to the GW905 error, as they may provide patches or additional troubleshooting steps.
  
  
  Documentation: Refer to the official SAP documentation for Gateway configuration and troubleshooting for more detailed guidance.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.