How To Fix 00498 - Unable to determine host from address: NiAddrTo Host failed

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 498

• Message text: Unable to determine host from address: NiAddrTo Host failed

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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Smart SAP Assistant

• What is the cause and solution for SAP error message 00498 - Unable to determine host from address: NiAddrTo Host failed ?

  The SAP error message "00498 Unable to determine host from address: NiAddrToHost failed" typically indicates a problem with the network configuration or the way the SAP system is trying to resolve a hostname or IP address. This error can occur in various scenarios, such as when trying to connect to an SAP system or when there are issues with the network settings.
  Causes:
  
  DNS Resolution Issues: The hostname cannot be resolved to an IP address due to DNS misconfiguration or unavailability.
  Incorrect Hostname/IP Address: The hostname or IP address specified in the SAP configuration is incorrect or not reachable.
  Network Connectivity Problems: There may be network issues preventing the SAP system from reaching the specified host.
  Firewall Restrictions: Firewalls may be blocking the connection to the specified host.
  SAP Profile Configuration: The SAP instance profile may have incorrect settings related to the hostname or network configuration.
  
  Solutions:
  
  
  Check Hostname/IP Address:
  
  Verify that the hostname or IP address specified in the SAP configuration is correct.
  Use the command line to ping the hostname or IP address to ensure it is reachable.
  
  
  
  DNS Configuration:
  
  Ensure that the DNS server settings are correctly configured on the server where SAP is running.
  Test DNS resolution using commands like nslookup or dig to see if the hostname resolves correctly.
  
  
  
  Network Connectivity:
  
  Check the network connection between the SAP server and the target host.
  Use tools like traceroute to identify any network issues.
  
  
  
  Firewall Settings:
  
  Review firewall settings to ensure that they are not blocking the necessary ports for SAP communication.
  If applicable, check both the server's firewall and any network firewalls.
  
  
  
  SAP Profile Settings:
  
  Review the instance profile parameters (e.g., rdisp/mshost, rdisp/msserv, rdisp/hostname) to ensure they are correctly set.
  Make sure that the parameters are consistent with the actual network configuration.
  
  
  
  Restart Services:
  
  Sometimes, simply restarting the SAP services or the server can resolve transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. SAP Notes often provide detailed troubleshooting steps and solutions.
  Logs: Review the SAP system logs (e.g., dev_w0, dev_rfc) for additional error messages or context that may help diagnose the issue.
  Network Configuration: Consult with your network administrator to ensure that the network configuration is correct and that there are no underlying issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage SAP support or your internal IT team for further assistance.