How To Fix S06812 - .RFC to instance &1: error &2

SAP Error Message - Details

• Message type: E = Error

• Message class: S06 - SAP Netweaver Workload Collector

• Message number: 812

• Message text: .RFC to instance &1: error &2

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 S06812 - .RFC to instance &1: error &2 ?

  The SAP error message S06812, which states "RFC to instance &1: error &2," typically indicates a problem with Remote Function Call (RFC) communication between SAP systems or between an SAP application server and a database instance. This error can arise due to various reasons, including network issues, configuration problems, or instance availability.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the target instance.
  Instance Unavailability: The target instance may be down or not responding.
  Configuration Errors: Incorrect configuration in the RFC destination settings (transaction SM59).
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Resource Limitations: The target instance may be overloaded or have insufficient resources (e.g., memory, CPU).
  Firewall Restrictions: Firewalls may be blocking the required ports for RFC communication.
  
  Solutions:
  
  Check Instance Status: Ensure that the target instance is up and running. You can check this in the SAP Management Console or using transaction SM51.
  Verify Network Connectivity: Use tools like ping or telnet to check connectivity to the target instance.
  Review RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Ensure that the connection type is correct (e.g., TCP/IP).
  Test the connection using the "Connection Test" option in SM59.
  
  
  Check Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations.
  Monitor System Resources: Check the performance and resource usage of the target instance to ensure it is not overloaded.
  Firewall Settings: Verify that the necessary ports for RFC communication are open and not blocked by firewalls.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM51: List of SAP Instances
  SM21: System Log
  ST22: Dump Analysis
  SM37: Job Monitoring
  
  
  SAP Notes: Check SAP Notes related to RFC errors for specific patches or updates that may address known issues.
  Logs: Review system logs (SM21) and short dumps (ST22) for additional context on the error.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.