How To Fix TT202 - Destination & RFC error

TT202 - Overview

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 202

• Message text: Destination & RFC error

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TT202 - Destination & RFC error ?

  The SAP error message TT202, which indicates a "Destination & RFC error," typically arises when there is an issue with the Remote Function Call (RFC) destination configuration or connectivity between SAP systems. This error can occur in various scenarios, such as when trying to execute remote function modules or when accessing external systems.
  Causes of TT202 Error
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be set up correctly in the SAP system. This includes incorrect parameters such as the target system's hostname, system number, client, user credentials, etc.
  
  
  Network Issues: There may be network connectivity problems between the SAP systems. This could be due to firewall settings, network outages, or incorrect routing.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  Target System Down: The target SAP system may be down or not reachable due to maintenance or other issues.
  
  
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