How To Fix /SAPPO/ACR099 - &1: RFC destination &2 refers to system &3, however, must refer to &4

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPPO/ACR -

• Message number: 099

• Message text: &1: RFC destination &2 refers to system &3, however, must refer to &4

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPPO/ACR099 - &1: RFC destination &2 refers to system &3, however, must refer to &4 ?

  The SAP error message /SAPPO/ACR099 &1: RFC destination &2 refers to system &3, however, must refer to &4 typically indicates a mismatch in the configuration of an RFC (Remote Function Call) destination in your SAP system. This error arises when the RFC destination is pointing to an incorrect system or client.
  Cause:
  
  Incorrect RFC Destination Configuration: The RFC destination is configured to point to a different system than expected. This can happen due to changes in system landscape, such as system migrations, upgrades, or changes in the configuration.
  System Alias Mismatch: The system alias defined in the RFC destination does not match the expected system alias for the operation being performed.
  Transport Layer Issues: If the RFC destination is used in a transport layer, it may not be correctly set up to point to the right target system.
  
  Solution:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in your SAP system.
  Locate the RFC destination mentioned in the error message (&2).
  Verify the target system configuration, including the system ID (SID), client, and connection parameters.
  Ensure that the RFC destination points to the correct system (&4).
  
  
  
  Update the RFC Destination:
  
  If the RFC destination is incorrect, update it to point to the correct system.
  Test the connection using the "Test Connection" button in SM59 to ensure it is working properly.
  
  
  
  Check System Aliases:
  
  Ensure that the system alias used in the RFC destination matches the expected alias for the operation.
  If necessary, update the alias in the configuration.
  
  
  
  Review Transport Routes:
  
  If the RFC destination is part of a transport route, ensure that the transport layer is correctly configured to point to the right target system.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or notes related to the specific RFC destination and its intended use.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SICF: Check and manage HTTP services, if applicable.
  ST22: Analyze dumps, if the error is causing a runtime issue.
  
  
  
  SAP Notes: Check for any SAP Notes related to the specific error message or RFC configuration issues. SAP Notes can provide additional insights or patches that may resolve the issue.
  
  
  System Landscape: Be aware of your system landscape and any recent changes that may have affected RFC configurations.
  
  
  By following these steps, you should be able to resolve the error and ensure that the RFC destination is correctly configured to point to the appropriate system.