How To Fix WRF_APC168 - Check RFC destination &1 / remote user, logon failed

WRF_APC168 - Overview

• Message type: E = Error

• Message class: WRF_APC - Messages for Operational Assortment Planning and Control

• Message number: 168

• Message text: Check RFC destination &1 / remote user, logon failed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_APC168 - Check RFC destination &1 / remote user, logon failed ?

  The SAP error message:
  WRF_APC168 Check RFC destination &1 / remote user, logon failed
  typically occurs when there is a problem with the Remote Function Call (RFC) connection from one SAP system to another or to an external system. The message indicates that the logon attempt to the remote system via the specified RFC destination failed due to incorrect or missing user credentials or connection parameters.
  
  Cause
  
  Incorrect RFC destination configuration: The RFC destination &1 (the placeholder &1 is replaced by the actual RFC destination name in the message) is not correctly set up.
  Invalid or expired user credentials: The remote user specified in the RFC destination does not exist, the password is incorrect, or the user is locked/expired.
  Authorization issues: The remote user does not have the required authorizations to log on or execute the requested function.
  Network or connectivity issues: The remote system is unreachable due to network problems or the SAP gateway is down.
  Incorrect