How To Fix RZ105 - Applications server & does not respond.

SAP Error Message - Details

• Message type: E = Error

• Message class: RZ - Messages for Computing Center Management System

• Message number: 105

• Message text: Applications server & does not respond.

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 RZ105 - Applications server & does not respond. ?

  The SAP error message RZ105 indicates that an application server is not responding. This can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the client and the application server.
  Server Overload: The application server may be overloaded with requests, causing it to become unresponsive.
  System Configuration: Incorrect configuration settings in the SAP system or the application server can lead to unresponsiveness.
  Resource Limitations: Insufficient system resources (CPU, memory, etc.) on the application server can cause it to hang or crash.
  Database Issues: Problems with the underlying database (e.g., locks, deadlocks) can also lead to application server unresponsiveness.
  Transport Layer Issues: Issues with the transport layer (e.g., firewall settings, VPN issues) can prevent communication with the application server.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to check connectivity to the application server.
  Ensure that there are no firewall rules blocking access.
  
  
  
  Monitor Server Load:
  
  Use transaction codes like SM50 or SM66 to monitor the workload on the application server.
  Check for long-running processes or high CPU/memory usage.
  
  
  
  Review System Configuration:
  
  Check the instance profile settings in the SAP system to ensure they are correctly configured.
  Review the SAP kernel version and ensure it is up to date.
  
  
  
  Check System Resources:
  
  Monitor system resources using operating system tools (e.g., Task Manager on Windows, top/htop on Linux).
  Consider increasing resources if the server is consistently under heavy load.
  
  
  
  Database Health Check:
  
  Use database monitoring tools to check for locks or performance issues.
  Ensure that the database is properly tuned and optimized.
  
  
  
  Review Transport Layer:
  
  Check for any issues with the transport layer, including VPN configurations and firewall settings.
  Ensure that the necessary ports are open for communication.
  
  
  
  Restart the Application Server:
  
  If the server is unresponsive, a restart may be necessary. However, this should be done with caution and ideally during a maintenance window.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST22 (Dump Analysis), and SM37 (Job Monitoring) for further diagnostics.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to RZ105.
  Logs: Review the application server logs for any error messages or warnings that could provide additional context.
  
  Conclusion:
  Resolving the RZ105 error requires a systematic approach to identify the underlying cause. By checking network connectivity, monitoring server load, reviewing configurations, and ensuring system resources are adequate, you can often resolve the issue effectively. If the problem persists, consider reaching out to SAP support for further assistance.