How To Fix SNC721 - SNC deactivated, request refused

SNC721 - Overview

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 721

• Message text: SNC deactivated, request refused

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 SNC721 - SNC deactivated, request refused ?

  The SAP error message SNC721: SNC deactivated, request refused typically indicates that the Secure Network Communications (SNC) is not enabled or properly configured in your SAP system. SNC is used to provide secure communication between SAP systems and clients, and if it is deactivated, any requests that require secure communication will be refused.
  Causes:
  
  SNC Not Configured: The SNC settings may not be configured in the SAP system.
  SNC Library Missing: The required SNC library may not be installed or accessible.
  SNC Disabled: SNC may be explicitly disabled in the system settings.
  Incorrect SNC Parameters: The parameters for SNC may be incorrectly set, leading to a failure in establishing a secure connection.
  Client Configuration: The client (e.g., SAP GUI) may not be configured to use SNC.
  
  Solutions:
  
  
  Check SNC Configuration:
  
  Go to transaction RZ10 and check the profile parameters related to SNC. Ensure that snc/enable is set to 1 (enabled).
  Verify that the snc/identity/as parameter is correctly set to the