How To Fix RSDD_ZA138 - RFC connection check

RSDD_ZA138 - Overview

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 138

• Message text: RFC connection check

What causes this issue?

The system checks for any problems in the RFC connection between the SAP
NetWeaver BW Accelerator and the SAP system. If possible, problems are
dealt with automatically. Otherwise the status of the check is displayed
as <ZK>red</>. The details of the check contain a note indicating that
the problem needs to be resolved manually.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Follow the instructions of any action proposed. Information about any
manual actions required can be found in the details of the check.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA138 - RFC connection check ?

  The SAP error message RSDD_ZA138 typically indicates an issue with the RFC (Remote Function Call) connection when trying to access or execute a query in SAP BW (Business Warehouse). This error can occur due to various reasons, including configuration issues, network problems, or authorization issues.
  Causes:
  
  RFC Connection Issues: The RFC connection to the BW system may not be properly configured or may be down.
  Network Problems: There could be network connectivity issues between the systems involved.
  Authorization Issues: The user may not have the necessary authorizations to execute the query or access the data.
  System Configuration: Incorrect settings in the BW system or the source system can lead to this error.
  Transport Layer Issues: If the transport layer is not correctly set up, it can lead to communication problems.
  
  Solutions:
  
  
  Check RFC Connection:
  
  Go to transaction SM59 in the SAP GUI.
  Verify the configuration of the RFC connection (e.g., connection type, target host, and system number).
  Test the connection to