How To Fix GW467 - Communication system error; snaopen failed; check LU

GW467 - Overview

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 467

• Message text: Communication system error; snaopen failed; check LU

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?

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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 GW467 - Communication system error; snaopen failed; check LU ?

  The SAP error message GW467 indicates a communication system error related to the SNA (Systems Network Architecture) protocol. The specific message "snaopen failed; check LU" suggests that there is an issue with the Logical Unit (LU) configuration or connectivity.
  Causes:
  
  Incorrect LU Configuration: The Logical Unit (LU) may not be configured correctly in the SAP system or in the network settings.
  Network Issues: There may be network connectivity problems between the SAP system and the SNA server.
  SNA Services Not Running: The necessary SNA services or daemons may not be running on the server.
  Firewall or Security Settings: Firewalls or security settings may be blocking the communication between the SAP system and the SNA server.
  Resource Limitations: The server may be experiencing resource limitations, such as memory or CPU issues, affecting its ability to establish connections.
  
  Solutions:
  
  
  Check LU Configuration:
  
  Verify the configuration of the Logical Unit (LU) in the SAP system. Ensure that the LU name is correct