How To Fix SPN010 - Select at least one encryption algorithm

SAP Error Message - Details

• Message type: E = Error

• Message class: SPN - SPnego

• Message number: 010

• Message text: Select at least one encryption algorithm

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPN010 - Select at least one encryption algorithm ?

  The SAP error message SPN010, which states "Select at least one encryption algorithm," typically occurs in the context of configuring Secure Network Communications (SNC) in SAP systems. This error indicates that the system requires at least one encryption algorithm to be selected for secure communication, but none has been configured.
  Cause:
  
  Missing Configuration: The SNC configuration in the SAP system does not have any encryption algorithms selected.
  Incorrect SNC Settings: The settings for SNC may not be properly defined, leading to the absence of available encryption algorithms.
  SNC Library Issues: The required SNC library may not be installed or properly configured, which can prevent the selection of encryption algorithms.
  
  Solution:
  To resolve the SPN010 error, follow these steps:
  
  
  Access SNC Configuration:
  
  Go to transaction code RZ10 or RZ11 in the SAP GUI to access the profile parameters.
  Alternatively, you can use transaction SNC0 to directly access the SNC configuration.
  
  
  
  Select Encryption Algorithms:
  
  In the SNC configuration, ensure that at least one encryption algorithm is selected. This can typically be done in the SNC profile settings.
  Look for parameters related to encryption algorithms, such as snc/algorithms or similar, and ensure that they are set to include at least one valid algorithm.
  
  
  
  Check SNC Library:
  
  Ensure that the SNC library (e.g., SAP Cryptographic Library) is installed and properly configured on the server.
  Verify that the library version is compatible with your SAP system version.
  
  
  
  Restart the System:
  
  After making changes to the configuration, restart the SAP system or the relevant application server to apply the new settings.
  
  
  
  Test the Configuration:
  
  After restarting, test the SNC connection to ensure that the error is resolved and that secure communication is functioning as expected.
  
  
  
  Related Information:
  
  Documentation: Refer to the official SAP documentation for detailed instructions on configuring SNC and selecting encryption algorithms.
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or updates related to SNC configuration and encryption algorithms.
  Security Best Practices: Ensure that you are following best practices for security configurations in SAP, including the use of strong encryption algorithms and regular updates to the cryptographic library.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.