How To Fix SNC722 - SNC required for all connections

SAP Error Message - Details

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 722

• Message text: SNC required for all connections

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SNC722 - SNC required for all connections ?

  The SAP error message SNC722 indicates that Secure Network Communications (SNC) is required for all connections to the SAP system, but it is not properly configured or enabled. This error typically arises in environments where security policies mandate the use of SNC for encrypting data transmitted between the SAP GUI and the SAP server.
  Cause:
  
  SNC Not Configured: The SAP system is configured to require SNC, but the necessary SNC settings are not properly configured in the SAP GUI or the SAP system.
  Missing SNC Library: The required SNC library (e.g., SAP Cryptographic Library) is not installed or not accessible.
  Incorrect SNC Parameters: The SNC parameters in the SAP system or the SAP GUI are incorrectly set, leading to a failure in establishing a secure connection.
  SNC Not Enabled: The SNC feature may not be enabled in the SAP system or the client configuration.
  
  Solution:
  To resolve the SNC722 error, follow these steps:
  
  
  Check SNC Configuration:
  
  Ensure that SNC is properly configured in the SAP system. You can check the configuration in transaction RZ10 (for profile parameters) and look for parameters like snc/enable and snc/identity/as to ensure they are set correctly.
  
  
  
  Install the SAP Cryptographic Library:
  
  Make sure that the SAP Cryptographic Library is installed on the client machine. This library is necessary for SNC to function. You can download it from the SAP Service Marketplace.
  
  
  
  Configure SAP GUI:
  
  In the SAP GUI, go to the connection properties and ensure that the SNC options are correctly set. You may need to specify the SNC name in the connection settings.
  Check the SNC settings in the SAP GUI options (under "Options" > "Security" > "Secure Network Communications").
  
  
  
  Verify SNC Parameters:
  
  Ensure that the SNC parameters in the SAP system are correctly set. You can use transaction RZ11 to check the values of parameters like snc/enable, snc/identity/as, and snc/identity/peer.
  
  
  
  Test the Connection:
  
  After making the necessary changes, test the connection again to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for detailed instructions on configuring SNC, as the steps may vary based on the version of SAP you are using.
  
  
  
  Related Information:
  
  SNC Documentation: SAP provides extensive documentation on configuring and using SNC. This can be found in the SAP Help Portal.
  Security Policies: Review your organization's security policies to ensure compliance with SNC requirements.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to SNC722 or provide additional troubleshooting steps.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.