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

S06812 - Overview

• 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