How To Fix RSDD_ZA420 - Checks RFC server configuration and tries to repair if necessary

RSDD_ZA420 - Overview

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 420

• Message text: Checks RFC server configuration and tries to repair if necessary

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 RSDD_ZA420 - Checks RFC server configuration and tries to repair if necessary ?

  The SAP error message RSDD_ZA420 typically indicates an issue with the Remote Function Call (RFC) server configuration in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error can occur when the system is unable to connect to the RFC destination or when there are issues with the configuration of the RFC server.
  
  Cause:
  
  RFC Destination Issues: The RFC destination may not be correctly configured, or it may be pointing to an incorrect or inactive system.
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Configuration: The SAP system may not be properly configured to handle the RFC calls, or there may be issues with the underlying transport layer.
  Service Availability: The target system may be down or not available for connections.
  
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in