How To Fix DBMAN427 - Kernel error &1 during parallel processing of queries via RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 427

• Message text: Kernel error &1 during parallel processing of queries via RFC

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 DBMAN427 - Kernel error &1 during parallel processing of queries via RFC ?

  The SAP error message DBMAN427 indicates a kernel error that occurs during the parallel processing of queries via Remote Function Call (RFC). This error can arise due to various reasons, including issues with the database, configuration problems, or resource limitations.
  Causes:
  
  Database Issues: The database may be experiencing problems, such as being overloaded, misconfigured, or having connectivity issues.
  Kernel Bugs: There may be bugs in the SAP kernel or database drivers that lead to this error.
  Resource Limitations: Insufficient system resources (CPU, memory, etc.) can cause failures during parallel processing.
  Configuration Errors: Incorrect settings in the SAP system or database configuration can lead to this error.
  Network Issues: Problems with the network connection between the SAP application server and the database can also trigger this error.
  
  Solutions:
  
  Check Database Status: Ensure that the database is running properly and is not overloaded. Check for any locks or long-running queries that may be affecting performance.
  Review SAP Kernel and Database Drivers: Make sure that you are using the latest version of the SAP kernel and database drivers. If not, consider upgrading to the latest version.
  Monitor System Resources: Use monitoring tools to check CPU, memory, and disk usage. If resources are low, consider optimizing the system or upgrading hardware.
  Adjust Configuration Settings: Review and adjust the configuration settings for both the SAP system and the database. This may include parameters related to parallel processing and memory allocation.
  Check Network Connectivity: Ensure that there are no network issues between the SAP application server and the database. This includes checking firewalls, routers, and network configurations.
  Review Logs: Check the SAP application logs (transaction SM21) and database logs for any additional error messages or warnings that could provide more context about the issue.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error, including any relevant logs and system configurations.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM21 (System Log), ST22 (Dump Analysis), and SM37 (Job Monitoring) to gather more information about the error.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches and updates.
  Documentation: Review the official SAP documentation for best practices on configuring parallel processing and RFC settings.
  
  By following these steps, you should be able to diagnose and resolve the DBMAN427 error effectively.