How To Fix SNC763 - SNC_NAME not defined in command line nor in environment

SAP Error Message - Details

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• 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 SNC763 - SNC_NAME not defined in command line nor in environment ?

  The SAP error message SNC763 indicates that the Secure Network Communications (SNC) name is not defined in the command line or in the environment. This error typically occurs when you are trying to start an SAP instance or connect to an SAP system that requires SNC for secure communication, but the necessary SNC parameters are not set.
  Cause:
  
  Missing SNC Name: The SNC name is not specified in the command line when starting the SAP instance or in the environment variables.
  Configuration Issues: The SNC configuration in the SAP system might not be properly set up.
  Incorrect Environment Variables: The environment variables related to SNC might not be correctly defined.
  
  Solution:
  To resolve the SNC763 error, you can follow these steps:
  
  
  Define the 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:
  
  If you are using a UNIX/Linux system, you can set the environment variable SNC_LIB to point to the SNC library and SNC_NAME to the appropriate SNC name.
  Example:
  export SNC_LIB=/path/to/snc/library
  export SNC_NAME=your_snc_name
  
  
  
  
  Check SAP Profile:
  
  Verify the SAP instance profile (usually located in the INSTANCE directory) to ensure that the SNC parameters are correctly set. Look for parameters like snc/enable and snc/identity/as in the profile.
  Example:
  snc/enable = 1
  snc/identity/as = <SNC_NAME>
  
  
  
  
  Review SNC Configuration:
  
  Ensure that the SNC configuration is correctly set up in the SAP system. This includes checking the SNC library and ensuring that the necessary certificates are in place.
  
  
  
  Restart the SAP Instance:
  
  After making the necessary changes, restart the SAP instance to apply the new settings.
  
  
  
  Related Information:
  
  SNC Documentation: Refer to the SAP documentation on Secure Network Communications for detailed information on configuring SNC.
  SAP Notes: Check for relevant SAP Notes that may provide additional troubleshooting steps or updates related to SNC issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the SNC763 error and successfully establish secure communication with your SAP system.