How To Fix SNC053 - External identity (type &1, assignment &3) entered for user &2

SNC053 - Overview

• Message type: E = Error

• Message class: SNC - Secure Network Communication, SNC

• Message number: 053

• Message text: External identity (type &1, assignment &3) entered for user &2

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 SNC053 - External identity (type &1, assignment &3) entered for user &2 ?

  The SAP error message SNC053 indicates that there is an issue with the external identity assigned to a user in the context of Secure Network Communications (SNC). This error typically arises when there is a mismatch or misconfiguration related to the external identity of a user in the SNC setup.
  
  Cause:
  
  Invalid External Identity: The external identity specified for the user does not match the expected format or is not recognized by the SNC system.
  
  Configuration Issues: There may be a misconfiguration in the SNC settings, such as incorrect entries in the user mapping or the SNC profile.
  User Assignment Issues: The user may not be properly assigned to the external identity in the system, or the assignment may not exist in the SNC configuration.
  SNC Library Issues: There could be issues with the SNC library or the underlying security infrastructure that is being used.
  
  
  Solution:
  
  Check External Identity: Verify that the external identity (type &1, assignment