How To Fix UPGBA523 - SDM stops all migrations due to RFC Configuration Error: 0 RFC WP

UPGBA523 - Overview

• Message type: E = Error

• Message class: UPGBA - Upgrade compatible logging framework messages

• Message number: 523

• Message text: SDM stops all migrations due to RFC Configuration Error: 0 RFC WP

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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Smart SAP Assistant

• What is the cause and solution for SAP error message UPGBA523 - SDM stops all migrations due to RFC Configuration Error: 0 RFC WP ?

  The SAP error message UPGBA523 indicates that the Software Deployment Manager (SDM) has halted all migrations due to an RFC (Remote Function Call) configuration error, specifically related to the "0 RFC WP" (Work Process). This error typically arises during system upgrades or migrations when the SDM cannot establish a proper RFC connection to the SAP system.
  
  Cause:
  
  RFC Destination Configuration: The RFC destination used by the SDM may not be correctly configured. This could be due to missing or incorrect parameters in the RFC destination settings.
  Network Issues: There may be network connectivity issues between the SDM and the SAP system, preventing successful communication.
  Authorization Issues: The user credentials used for the RFC connection may lack the necessary authorizations to perform the required operations.
  Work Process Availability: The SAP system may not have available RFC work processes, which can occur if the system is under heavy load or if the configuration limits the number of