How To Fix RZ426 - Enqueue server alert

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 426

• Message text: Enqueue server alert

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 RZ426 - Enqueue server alert ?

  The SAP error message RZ426 indicates an issue with the enqueue server, which is responsible for managing locks in the SAP system. This error typically arises when there are problems with the enqueue server's availability or performance, which can lead to issues with data consistency and transaction processing.
  Cause:
  
  Enqueue Server Down: The enqueue server may not be running or has crashed.
  Network Issues: There may be network connectivity problems between the application server and the enqueue server.
  Resource Limitations: The enqueue server may be experiencing resource constraints (CPU, memory, etc.) that affect its performance.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to enqueue server problems.
  Database Lock Issues: If there are issues with database locks, it can affect the enqueue server's ability to manage locks effectively.
  
  Solution:
  
  Check Enqueue Server Status: Use transaction code SM51 to check if the enqueue server is running. If it is not, restart the enqueue server.
  Restart the Enqueue Server: If the enqueue server is down, you can restart it using transaction code SM66 or by restarting the SAP instance.
  Check System Logs: Review the system logs (transaction SM21) for any related error messages that could provide more context on the issue.
  Network Troubleshooting: Ensure that there are no network issues affecting communication between the application servers and the enqueue server.
  Resource Monitoring: Monitor the system resources (CPU, memory, etc.) to ensure that the enqueue server has sufficient resources to operate effectively.
  Configuration Review: Review the configuration settings for the enqueue server in the SAP system to ensure they are correct.
  Database Lock Management: Check for any database locks that may be causing issues and resolve them as necessary.
  
  Related Information:
  
  Transaction Codes:
  
  SM51: To check the status of application servers.
  SM66: To monitor global work processes.
  SM21: To view system logs for error messages.
  
  
  SAP Notes: Check SAP Notes related to enqueue server issues for specific patches or updates that may resolve known problems.
  Documentation: Refer to SAP Help documentation for detailed information on enqueue server configuration and troubleshooting.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.