How To Fix XMS_ADM642 - Scheduling the XI message in qRFC failed with error '&1': "&2&3&4".

XMS_ADM642 - Overview

• Message type: E = Error

• Message class: XMS_ADM - XMS - Administration

• Message number: 642

• Message text: Scheduling the XI message in qRFC failed with error '&1': "&2&3&4".

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 XMS_ADM642 - Scheduling the XI message in qRFC failed with error '&1': "&2&3&4". ?

  The SAP error message XMS_ADM642 indicates that there was a failure in scheduling an XI (Exchange Infrastructure) message in qRFC (queued Remote Function Call). This error can occur due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Possible Causes:
  
  Queue Issues: The qRFC queue might be locked or not available, preventing the message from being scheduled.
  Configuration Errors: There may be misconfigurations in the XI/PI settings or in the communication channels.
  Resource Limitations: System resource limitations, such as memory or processing power, could lead to failures in message processing.
  Network Issues: Problems with network connectivity between systems can cause failures in message scheduling.
  Message Format Issues: The message being sent may not conform to the expected format or may contain invalid data.
  Authorization Issues: The user or service account may not have the necessary permissions to execute the operation.
  
  Solutions:
  
  Check Queue Status: Use transaction SMQ1 (for outbound queues) or SMQ2 (for