How To Fix DB871 - RFC error: sy-subrc = &

SAP Error Message - Details

• Message type: E = Error

• Message class: DB - Messages for logical databases and background processing

• Message number: 871

• Message text: RFC error: sy-subrc = &

What causes this issue?

An error occurred in Remote Function Call. The return codes (SY-SUBRC)
have the following meanings:
14: system_failure (error or problem in target system)
15: communication_error

System Response

A system exception was raised, and the RFC connection was closed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB871 - RFC error: sy-subrc = & ?

  The SAP error message "DB871 RFC error: sy-subrc = &" typically indicates that there is an issue with the Remote Function Call (RFC) communication between the SAP system and the database or another SAP system. The sy-subrc variable is a system variable in ABAP that indicates the return code of the last operation, and its value can provide more context about the specific error.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the database server or between different SAP systems.
  Database Issues: The database may be down, or there may be issues with the database configuration or performance.
  Authorization Issues: The user or service account used for the RFC connection may not have the necessary permissions to access the database or perform the requested operation.
  Configuration Errors: Incorrect configuration of the RFC destination in the SAP system can lead to communication failures.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., memory, CPU) that prevent it from processing requests.
  Version Compatibility: There may be compatibility issues between the SAP system and the database version.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the database is stable and functioning correctly. You can use tools like ping or traceroute to diagnose network issues.
  Database Status: Verify that the database is up and running. Check the database logs for any errors or issues that may indicate why the connection is failing.
  Review RFC Configuration: Check the RFC destination configuration in transaction SM59. Ensure that the connection parameters are correct and that the connection test is successful.
  User Authorizations: Ensure that the user or service account used for the RFC connection has the necessary authorizations to access the database and perform the required operations.
  Monitor Resource Usage: Check the resource usage on the database server to ensure it is not overloaded. You may need to optimize queries or increase resources if necessary.
  Check for Updates: Ensure that both the SAP system and the database are up to date with the latest patches and updates, as compatibility issues can arise from version mismatches.
  
  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 specific issues related to the DB871 error.
  Logs: Review the application server logs and database logs for any additional error messages or context that can help diagnose the issue.
  
  If the problem persists after checking these areas, it may be necessary to involve your SAP Basis team or database administrator for further investigation.