How To Fix SNC003 - SNC error RC=&1

SAP Error Message - Details

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 003

• Message text: SNC error RC=&1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SNC003 - SNC error RC=&1 ?

  The SAP error message "SNC003 SNC error RC=&1" typically indicates an issue related to Secure Network Communications (SNC) in an SAP environment. The error code RC=&1 will be replaced with a specific return code that provides more context about the nature of the error.
  Causes:
  
  Configuration Issues: The SNC parameters in the SAP system may not be configured correctly. This includes settings in the SAP GUI, SAP Profile, or SNC library.
  SNC Library Problems: The required SNC library may not be installed, or the version may be incompatible with the SAP system.
  Network Issues: There may be network connectivity problems that prevent the SAP system from establishing a secure connection.
  User Authentication: The user credentials or the SNC identity may not be set up correctly, leading to authentication failures.
  Certificate Issues: If using certificates for SNC, there may be issues with the certificates themselves, such as expiration or incorrect configuration.
  
  Solutions:
  
  
  Check SNC Configuration:
  
  Verify the SNC parameters in the SAP profile (e.g., snc/enable, snc/identity, snc/lib).
  Ensure that the SNC library path is correctly specified and that the library is accessible.
  
  
  
  Update or Install SNC Library:
  
  Ensure that the correct version of the SNC library is installed on the server and client machines.
  If necessary, update the library to a compatible version.
  
  
  
  Network Troubleshooting:
  
  Check network connectivity between the client and server.
  Ensure that firewalls or security settings are not blocking the required ports for SNC.
  
  
  
  User Credentials:
  
  Verify that the user credentials are correct and that the user has the necessary permissions.
  Check the SNC identity for the user and ensure it matches the expected format.
  
  
  
  Certificate Management:
  
  If using certificates, check their validity and ensure they are correctly configured in the SAP system.
  Renew any expired certificates and ensure that the certificate chain is complete.
  
  
  
  Review Logs:
  
  Check the SAP system logs (transaction SM21) and the SNC logs for more detailed error messages that can provide additional context.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific return codes associated with the SNC003 error.
  Documentation: Review the official SAP documentation on SNC configuration and troubleshooting for more detailed guidance.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance, providing them with the specific return code and any relevant logs.