How To Fix GW485 - System call error; gethostname failed; check installation

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 485

• Message text: System call error; gethostname failed; check installation

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GW485 - System call error; gethostname failed; check installation ?

  The SAP error message GW485 indicates that there is a problem with the system call to retrieve the hostname of the machine where the SAP system is running. This error typically arises during the startup of the SAP Gateway or when trying to establish a connection to the SAP system. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  Network Configuration Issues: The hostname may not be properly configured in the system's network settings.
  DNS Resolution Problems: The system may be unable to resolve the hostname due to DNS issues.
  Incorrect Hostname in SAP Profile: The hostname specified in the SAP instance profile may be incorrect or not matching the actual hostname of the server.
  Operating System Issues: There may be underlying issues with the operating system that prevent it from retrieving the hostname.
  Firewall or Security Settings: Security settings or firewalls may be blocking the necessary network calls.
  
  Solutions:
  
  
  Check Hostname Configuration:
  
  Ensure that the hostname is correctly set in the operating system. You can check this by running the command hostname in the command line.
  Verify that the hostname is correctly configured in the /etc/hosts file (for Unix/Linux) or in the DNS settings.
  
  
  
  Update SAP Profile:
  
  Check the instance profile (usually located in the directory /usr/sap/<SID>/SYS/profile/) for the parameter hostname and ensure it matches the actual hostname of the server.
  
  
  
  DNS Configuration:
  
  Ensure that the DNS server is reachable and that the hostname can be resolved. You can test this by using the nslookup or ping command with the hostname.
  
  
  
  Restart Network Services:
  
  If there are any changes made to the network configuration, restart the network services or the server to apply the changes.
  
  
  
  Check Firewall Settings:
  
  Ensure that there are no firewall rules blocking the necessary ports for SAP communication.
  
  
  
  Operating System Logs:
  
  Check the operating system logs for any related errors that might provide more context on the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to GW485 for any specific patches or updates that may address this issue.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues faced by other users and their solutions.
  Documentation: Review the SAP Basis documentation for network configuration and hostname resolution.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your system administrator or SAP support for further investigation.