How To Fix R7002 - RFC error: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 002

• Message text: RFC error: &1

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 R7002 - RFC error: &1 ?

  The SAP error message R7002, which indicates an RFC (Remote Function Call) error, typically arises when there is an issue with the communication between SAP systems or between an SAP system and an external system. The error message format is usually "RFC error: &1", where "&1" provides additional details about the specific error encountered.
  Causes of RFC Error R7002
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to RFC errors. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Errors: Incorrect configuration of RFC destinations in the SAP system can cause this error. This includes issues with the RFC destination settings in transaction SM59.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  
  
  System Availability: The target system may be down or not reachable, leading to an inability to establish an RFC connection.
  
  
  Version Compatibility: Incompatibility between different versions of SAP systems can also lead to RFC errors.
  
  
  Resource Limitations: The target system may be experiencing resource limitations, such as memory or CPU constraints, which can prevent it from processing RFC calls.
  
  
  Solutions to RFC Error R7002
  
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems. You can use tools like ping or traceroute to diagnose network issues.
  
  
  Verify 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 User Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations. You can check this in transaction SU01.
  
  
  System Availability: Verify that the target system is up and running. You can check the system status in transaction SM51 or by logging into the target system directly.
  
  
  Review System Logs: Check the system logs (transaction SM21) for any additional error messages that may provide more context about the RFC error.
  
  
  Monitor System Resources: If the target system is under heavy load, consider monitoring system resources (CPU, memory, etc.) to identify any bottlenecks.
  
  
  Check for Version Compatibility: Ensure that both systems are compatible in terms of SAP versions and patches.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC errors.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  SU01: User Maintenance
  SM51: List of SAP Systems
  
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on RFC connections and troubleshooting.
  
  
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the RFC error R7002 effectively.