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

/SAPPO/ACR099 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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/SAPPO/ACR099 - Details

• 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