How To Fix 00459 - Communication system error: prepare failed

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 459

• Message text: Communication system error: prepare failed

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00459 - Communication system error: prepare failed ?

  The SAP error message "00459 Communication system error: prepare failed" typically indicates a problem with the communication between the SAP application and the database or another system component. This error can arise from various underlying issues, including configuration problems, network issues, or database-related errors.
  Causes:
  
  Database Connection Issues: The SAP system may be unable to connect to the database due to network problems, incorrect connection parameters, or database server downtime.
  Configuration Errors: Incorrect settings in the SAP system configuration (e.g., RFC destinations, database connection settings) can lead to this error.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., memory, CPU) that prevent it from processing requests.
  Database Locks: If there are locks on the database that prevent the execution of certain queries, this error may occur.
  Network Issues: Problems with the network infrastructure, such as firewalls or routing issues, can disrupt communication between SAP and the database.
  Software Bugs: There may be bugs in the SAP software or the database software that lead to this error.
  
  Solutions:
  
  Check Database Connectivity: Verify that the SAP system can connect to the database. You can do this by testing the database connection in the SAP system configuration.
  Review Configuration Settings: Ensure that all relevant configuration settings (e.g., RFC destinations, database connection parameters) are correct and up to date.
  Monitor System Resources: Check the resource usage on the database server to ensure it is not overloaded. If necessary, optimize the database or increase resources.
  Check for Locks: Use database tools to check for any locks that may be affecting the ability to execute queries. Resolve any locks that are found.
  Network Diagnostics: Perform network diagnostics to identify any issues that may be affecting communication between the SAP system and the database.
  Review Logs: Check the SAP application logs and database logs for any additional error messages or warnings that may provide more context about the issue.
  Update Software: Ensure that both the SAP system and the database are running the latest patches and updates, as this can resolve known bugs.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for your specific version of SAP and the database being used for any known issues or configuration guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or contact SAP support for further assistance.