How To Fix SNC001 - SNC not active

SAP Error Message - Details

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 001

• Message text: SNC not active

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SNC001 - SNC not active ?

  The SAP error message "SNC001: SNC not active" indicates that Secure Network Communications (SNC) is not enabled or properly configured in your SAP system. SNC is a security feature that provides encryption and authentication for communication between SAP systems and clients.
  Cause:
  
  SNC Not Configured: The SNC feature may not be configured in the SAP system.
  SNC Library Missing: The required SNC library (e.g., SAP Cryptographic Library) may not be installed or accessible.
  Profile Parameters: The necessary profile parameters for SNC may not be set correctly.
  SNC Name Not Defined: The SNC name for the user or system may not be defined in the user master record or system settings.
  Network Issues: There may be network issues preventing the establishment of an SNC connection.
  
  Solution:
  
  
  Check SNC Configuration:
  
  Ensure that SNC is enabled in the SAP system. You can check this in the SAP GUI by navigating to transaction RZ10 and reviewing the instance profile parameters.
  Look for parameters like snc/enable and snc/identity/as to ensure they are set correctly.
  
  
  
  Install SNC Library:
  
  If the SNC library is not installed, download and install the SAP Cryptographic Library from the SAP Service Marketplace or the SAP Support Portal.
  
  
  
  Set Profile Parameters:
  
  Ensure that the following parameters are set in the instance profile:
  
  snc/enable = 1 (to enable SNC)
  snc/identity/as = <SNC identity> (set the SNC identity for the application server)
  snc/identity/client = <SNC identity> (set the SNC identity for the client)
  
  
  
  
  
  Define SNC Name:
  
  Make sure that the SNC name is defined in the user master record. You can do this by using transaction SU01 to edit the user and check the "SNC" tab.
  
  
  
  Restart the SAP System:
  
  After making changes to the profile parameters, restart the SAP system for the changes to take effect.
  
  
  
  Check Network Configuration:
  
  Ensure that there are no network issues that could be preventing the SNC connection. Check firewalls, routing, and other network settings.
  
  
  
  Related Information:
  
  Documentation: Refer to the SAP Help Portal for detailed documentation on configuring SNC.
  SAP Notes: Check for relevant SAP Notes that may provide additional troubleshooting steps or updates related to SNC.
  Security Considerations: Ensure that you are following best practices for security when configuring SNC, including using strong encryption methods and keeping the cryptographic library up to date.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.