How To Fix SR010 - Host name & unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 010

• Message text: Host name & unknown

What causes this issue?

The specified host name is unknown in your system.

System Response

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

How to fix this error?

Check that the host name is correct.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SR010 - Host name & unknown ?

  The SAP error message "SR010 Host name & unknown" typically indicates that the system is unable to resolve the hostname specified in the configuration. This can occur for various reasons, including network issues, DNS configuration problems, or incorrect settings in the SAP system.
  Causes:
  
  Incorrect Hostname: The hostname specified in the configuration might be incorrect or misspelled.
  DNS Issues: The DNS server may not be able to resolve the hostname to an IP address.
  Network Connectivity: There may be network issues preventing the SAP system from reaching the DNS server or the specified host.
  Hosts File: The hostname may not be listed in the local hosts file (e.g., /etc/hosts on Unix/Linux systems).
  SAP Configuration: The SAP system may have incorrect settings in the instance profile or other configuration files.
  
  Solutions:
  
  Verify Hostname: Check the hostname in the SAP configuration and ensure it is correct.
  Check DNS Resolution:
  
  Use commands like nslookup or ping to verify if the hostname can be resolved to an IP address.
  If DNS is not resolving the hostname, consider adding the hostname and its corresponding IP address to the local /etc/hosts file.
  
  
  Network Connectivity: Ensure that there are no network issues preventing access to the DNS server or the specified host.
  Review SAP Configuration:
  
  Check the instance profile and other relevant configuration files for any incorrect entries.
  Ensure that the SAP system is configured to use the correct DNS settings.
  
  
  Restart Services: After making changes, restart the relevant SAP services or the entire SAP system to apply the changes.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message.
  Logs: Review the SAP system logs (e.g., dev_w0, dev_r0) for additional context or related error messages.
  Network Configuration: Consult with your network administrator to ensure that the network configuration is correct and that there are no firewall rules blocking access.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or your internal IT team for further assistance.