How To Fix NET033 - Time required for unsuccessful resolution of service name

SAP Error Message - Details

• Message type: E = Error

• Message class: NET - Network Messages

• Message number: 033

• Message text: Time required for unsuccessful resolution of service name

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 NET033 - Time required for unsuccessful resolution of service name ?

  The SAP error message NET033, which states "Time required for unsuccessful resolution of service name," typically occurs when there is an issue with the network configuration or service resolution in the SAP environment. This error can arise in various scenarios, such as when trying to connect to a database or when there are issues with the SAP application server.
  Causes:
  
  Incorrect Service Name: The service name specified in the connection string or configuration might be incorrect or not defined in the services file.
  Network Issues: There may be network connectivity issues preventing the SAP system from resolving the service name.
  DNS Issues: If the service name relies on DNS resolution, there may be problems with the DNS server or configuration.
  Configuration Errors: The SAP system might not be properly configured to recognize the service name, or the service might not be running.
  Firewall Restrictions: Firewalls or security settings may be blocking the necessary ports for communication.
  
  Solutions:
  
  
  Check Service Name: Verify that the service name used in the connection string is correct and matches the entry in the services file (usually located in /etc/services on Unix/Linux systems or C:\Windows\System32\drivers\etc\services on Windows).
  
  
  Network Connectivity: Ensure that the network connection is stable and that the SAP system can reach the target server. You can use tools like ping or traceroute to diagnose connectivity issues.
  
  
  DNS Configuration: If the service name relies on DNS, check the DNS settings and ensure that the DNS server is reachable and correctly configured.
  
  
  SAP Configuration: Review the SAP configuration settings, particularly in the SAP GUI or SAP NetWeaver Administrator, to ensure that the service name is correctly defined.
  
  
  Firewall Settings: Check firewall settings to ensure that the necessary ports are open for communication between the SAP system and the target service.
  
  
  Restart Services: Sometimes, simply restarting the SAP application server or the database service can resolve transient issues.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. SAP frequently releases updates that may address known issues.
  Logs: Review the SAP system logs (transaction SM21) and developer traces (transaction ST22) for additional error messages or context that may help diagnose the issue.
  Documentation: Refer to the official SAP documentation for network configuration and troubleshooting for more detailed guidance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.