How To Fix RSDD_ZA108 - Check for inactive name server

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 108

• Message text: Check for inactive name server

What causes this issue?

This check searches for inactive name servers in the SAP NetWeaver BI
Accelerator. If the system finds inactive name servers, the check
receives status <ZK>red</>. The details of the check contain information
about the inactive name server. If a name server is inactive, the blade
for indexing and reporting processes that it administrates is no longer
available. This normally means that the entire system is unavailable.

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?

Follow the instructions of any action proposed.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA108 - Check for inactive name server ?

  The SAP error message RSDD_ZA108, which indicates "Check for inactive name server," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA environments. This error suggests that there is an issue with the name server that is responsible for managing the distribution of requests to the various components of the SAP system.
  Cause:
  
  Inactive Name Server: The primary cause of this error is that the name server, which is responsible for routing requests to the appropriate application servers, is not active or is not reachable.
  Network Issues: There may be network connectivity issues preventing the application from reaching the name server.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to the name server being inactive.
  System Load: High system load or resource constraints may cause the name server to become unresponsive.
  
  Solution:
  
  
  Check Name Server Status:
  
  Use transaction code SM51 to check the status of the application servers and ensure that the name server is active.
  If the name server is inactive, you may need to restart it.
  
  
  
  Restart the SAP System:
  
  If the name server is not responding, consider restarting the SAP system or the specific instance that is having issues.
  
  
  
  Network Connectivity:
  
  Verify network connectivity between the application server and the name server. Ensure that there are no firewall rules or network issues blocking access.
  
  
  
  Configuration Review:
  
  Review the configuration settings in the SAP system to ensure that the name server is correctly configured. Check the instance profile and ensure that the parameters related to the name server are set correctly.
  
  
  
  Check System Logs:
  
  Use transaction code SM21 to check the system logs for any related error messages that might provide more context on the issue.
  
  
  
  Monitor System Performance:
  
  Use transaction codes like ST02 (buffer management) and ST04 (database performance) to monitor system performance and identify any bottlenecks.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on system architecture and name server functionality.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it impacts production systems.
  
  By following these steps, you should be able to diagnose and resolve the RSDD_ZA108 error effectively.