How To Fix GW632 - The remote LU was not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 632

• Message text: The remote LU was not specified

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 GW632 - The remote LU was not specified ?

  The SAP error message GW632, which states "The remote LU was not specified," typically occurs in the context of SAP's communication with external systems, particularly when using the SAP Gateway for communication with external applications or systems.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Missing Configuration: The Logical Unit (LU) that is supposed to be used for communication is not defined in the configuration settings.
  Incorrect Settings: The settings for the remote LU may be incorrect or incomplete, leading to the system being unable to identify the correct LU for communication.
  Network Issues: There may be network-related issues preventing the SAP system from reaching the specified LU.
  Authorization Issues: The user or system may not have the necessary permissions to access the specified LU.
  
  Solution:
  To resolve the GW632 error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to transaction code SM59 (RFC Destinations) and verify the configuration of the RFC destination that is supposed to connect to the remote LU.
  Ensure that the LU is correctly specified in the destination settings.
  
  
  
  Define Remote LU:
  
  If the remote LU is not defined, you may need to create or specify it in the relevant configuration settings. This can often be done in the SAP Gateway settings or the relevant communication configuration.
  
  
  
  Review Network Settings:
  
  Check the network connectivity between the SAP system and the remote LU. Ensure that there are no firewalls or network issues blocking the connection.
  
  
  
  Check Authorizations:
  
  Ensure that the user or service account being used to connect to the remote LU has the necessary authorizations to access it.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help resources related to the specific communication method you are using (e.g., SAP Gateway, IDocs, etc.) for any additional configuration steps that may be required.
  
  
  
  Test Connection:
  
  After making the necessary changes, use the Test Connection feature in SM59 to verify that the connection to the remote LU is successful.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for the specific version of SAP you are using, as there may be version-specific considerations.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.