How To Fix RT365 - &1: Instance inactive

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 365

• Message text: &1: Instance inactive

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 RT365 - &1: Instance inactive ?

  The SAP error message RT365, which states "Instance inactive," typically indicates that a specific instance of an SAP system (such as an application server or a database instance) is not currently active or available for processing requests. This can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of RT365 Error
  
  
  Instance Shutdown: The instance may have been intentionally shut down for maintenance or due to an administrative action.
  
  
  System Crash: The instance may have crashed due to a system error, resource exhaustion, or other unforeseen issues.
  
  
  Network Issues: There may be network connectivity problems preventing access to the instance.
  
  
  Configuration Issues: Incorrect configuration settings in the instance profile or the SAP system landscape can lead to instances being marked as inactive.
  
  
  Resource Limitations: Insufficient system resources (CPU, memory, etc.) can cause the instance to become inactive.
  
  
  Database Issues: If the database instance is down or unreachable, the application server instances may also be marked as inactive.
  
  
  Solutions to RT365 Error
  
  
  Check Instance Status: Use transaction code SM51 to check the status of all instances in the SAP system. This will help you identify if the instance is indeed inactive.
  
  
  Restart the Instance: If the instance is inactive, you may need to restart it. This can be done through the SAP Management Console (SAP MMC) or using the command line.
  
  
  Review Logs: Check the system logs (transaction SM21) and developer traces (transaction ST22) for any error messages or warnings that could provide insight into why the instance is inactive.
  
  
  Check Configuration: Review the instance profile settings and ensure that they are correctly configured. Look for any discrepancies that might prevent the instance from starting.
  
  
  Network Connectivity: Verify network connectivity between the application server and the database server. Ensure that there are no firewall rules or network issues blocking access.
  
  
  Resource Monitoring: Monitor system resources to ensure that there are enough CPU and memory available. If resources are low, consider optimizing the system or upgrading hardware.
  
  
  Database Health: Check the health of the database instance. Ensure that the database is running and accessible. If the database is down, restart it and check for any issues.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the RT365 error.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM51 (to view instances), SM21 (system log), ST22 (dump analysis), and SMD (SAP Solution Manager Diagnostics).
  
  
  SAP Support: If the issue persists after troubleshooting, consider reaching out to SAP Support for further assistance. Provide them with detailed logs and error messages to expedite the resolution process.
  
  
  Documentation: Review SAP documentation and guides related to system administration and instance management for best practices and troubleshooting steps.
  
  
  By following these steps, you should be able to identify the cause of the RT365 error and implement a solution to reactivate the instance.