How To Fix GW763 - SNC_NAME not defined in command line nor in environment

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 763

• Message text: SNC_NAME not defined in command line nor in environment

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GW763 - SNC_NAME not defined in command line nor in environment ?

  The SAP error message GW763 indicates that the Secure Network Communications (SNC) name is not defined in the command line or in the environment variables. This error typically occurs when you are trying to start an SAP application or service that requires SNC, but the necessary configuration for SNC is missing.
  Cause:
  
  Missing SNC Configuration: The SNC name is not specified in the command line when starting the SAP instance or is not set in the environment variables.
  Incorrect Environment Setup: The environment variables required for SNC are not properly configured in the operating system.
  SNC Library Not Loaded: The necessary SNC libraries may not be loaded or available in the system.
  
  Solution:
  To resolve the GW763 error, you can follow these steps:
  
  
  Define SNC Name:
  
  Ensure that the SNC name is defined in the command line when starting the SAP instance. You can do this by adding the -SNC parameter followed by the SNC name.
  Example: startsap R3 <instance> -SNC <SNC_NAME>
  
  
  
  Set Environment Variables:
  
  Check if the environment variable SNC_LIB is set to the path of the SNC library.
  Set the SNC_NAME environment variable to the appropriate SNC name.
  Example (in Unix/Linux):
  export SNC_LIB=/path/to/snc/library
  export SNC_NAME=<SNC_NAME>
  
  
  
  
  Check Profile Parameters:
  
  Ensure that the SNC parameters are correctly set in the SAP profile (e.g., DEFAULT.PFL or instance profile).
  Look for parameters like snc/enable, snc/identity/as, and snc/identity/system.
  
  
  
  Verify SNC Installation:
  
  Ensure that the SNC libraries are correctly installed and accessible. You may need to consult your system administrator or SAP Basis team for this.
  
  
  
  Restart the SAP Instance:
  
  After making the necessary changes, restart the SAP instance to apply the new configuration.
  
  
  
  Related Information:
  
  SNC Configuration Documentation: Refer to the SAP documentation for detailed steps on configuring SNC for your specific SAP system version.
  SAP Notes: Check SAP Notes related to SNC configuration and troubleshooting for any specific issues or updates.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the GW763 error and successfully configure SNC for your SAP environment.