How To Fix RT248 - Monitoring object: LAN

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 248

• Message text: Monitoring object: LAN

What causes this issue?

The following monitoring attributes characterize the local network from
the point-of-view of a server.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RT248 - Monitoring object: LAN ?

  The SAP error message RT248, which refers to "Monitoring object: LAN," typically indicates an issue related to the monitoring of network interfaces or LAN (Local Area Network) connections within the SAP system. This error can arise in various contexts, such as during system monitoring, performance analysis, or when trying to access network-related functionalities.
  Causes:
  
  Network Configuration Issues: Problems with the network configuration, such as incorrect IP addresses, subnet masks, or gateway settings.
  Connectivity Problems: Physical connectivity issues, such as faulty cables, switches, or network interface cards (NICs).
  Firewall or Security Settings: Firewalls or security settings that block communication between the SAP system and the network.
  SAP System Configuration: Incorrect settings in the SAP system related to network monitoring or performance metrics.
  Resource Limitations: Insufficient system resources (CPU, memory) that affect the ability to monitor network performance.
  
  Solutions:
  
  Check Network Configuration: Verify the network settings in the SAP system and ensure they are correctly configured. This includes checking IP addresses, subnet masks, and gateway settings.
  Test Connectivity: Use tools like ping or traceroute to test connectivity to the network and ensure that the SAP system can communicate with other network devices.
  Review Firewall Settings: Ensure that any firewalls or security settings are not blocking the necessary ports or protocols required for SAP communication.
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  System Resource Monitoring: Monitor system resources to ensure that the SAP system has adequate CPU and memory available for network monitoring tasks.
  Consult Documentation: Review SAP documentation related to network monitoring and performance to ensure that all configurations are set up correctly.
  
  Related Information:
  
  SAP Basis Team: Involve your SAP Basis team to assist with network configuration and monitoring issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  System Logs: Check system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  Performance Monitoring Tools: Consider using SAP's performance monitoring tools (like ST03N) to analyze system performance and identify bottlenecks related to network issues.
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to SAP support for further assistance.