How To Fix SNC030 - Unable to determine the canonical SNC name

SAP Error Message - Details

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 030

• Message text: Unable to determine the canonical SNC name

What causes this issue?

Could not determine the canonical SNC name.

System Response

SNC is not active.
ENDIF

The SNC mechanism &V2& is not active.
ENDIF

The SNC name is syntactically incorrect.
ENDIF

SNC error. Error code &V2&.
ENDIF

Internal error. Error code &V2&.
ENDIF

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SNC030 - Unable to determine the canonical SNC name ?

  The SAP error message SNC030: Unable to determine the canonical SNC name typically occurs in the context of Secure Network Communications (SNC) when the system is unable to resolve the SNC name for a user or system. This can happen due to various reasons related to configuration or network issues.
  Causes:
  
  Incorrect SNC Configuration: The SNC parameters in the SAP system may not be correctly configured. This includes the SNC name, SNC library, or other related settings.
  Missing or Incorrect SNC Name: The SNC name for the user or system may not be defined in the SAP system or may be incorrectly specified.
  SNC Library Issues: The required SNC library may not be installed or properly configured on the application server.
  Network Issues: There may be network connectivity issues that prevent the system from resolving the SNC name.
  User Profile Issues: The user profile may not have the necessary SNC settings or permissions.
  
  Solutions:
  
  
  Check SNC Configuration:
  
  Verify the SNC parameters in the SAP system. You can check these in transaction RZ10 or RZ11 for profile parameters related to SNC.
  Ensure that the snc/enable parameter is set to 1 to enable SNC.
  
  
  
  Verify SNC Name:
  
  Ensure that the SNC name is correctly defined in the user master record. You can check this in transaction SU01 under the "Logon Data" tab.
  The SNC name should follow the format SNC:<SNC_NAME>.
  
  
  
  Check SNC Library:
  
  Ensure that the appropriate SNC library is installed and configured on the application server. This may involve checking the installation of the SAP Cryptographic Library (SAPCRYPTOLIB) or other relevant libraries.
  Verify that the library path is correctly set in the profile parameters.
  
  
  
  Network Configuration:
  
  Check for any network issues that may be preventing the resolution of the SNC name. This may involve checking DNS settings or firewall configurations.
  
  
  
  User Profile Settings:
  
  Ensure that the user has the necessary authorizations and that the SNC settings in the user profile are correct.
  
  
  
  Testing SNC Connection:
  
  You can use the transaction SNC to test the SNC connection and verify if the SNC name can be resolved correctly.
  
  
  
  Related Information:
  
  Documentation: Refer to the SAP Help Portal for detailed documentation on SNC configuration and troubleshooting.
  SAP Notes: Check for relevant SAP Notes that may address specific issues related to SNC030. You can search for notes in the SAP Support Portal.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  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.