How To Fix 00775 - No suitable SAP user found for X.509-client certificate

00775 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 775

• Message text: No suitable SAP user found for X.509-client certificate

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 00775 - No suitable SAP user found for X.509-client certificate ?

  The SAP error message "00775 No suitable SAP user found for X.509-client certificate" typically occurs in scenarios where an X.509 client certificate is used for authentication, but the system cannot find a corresponding SAP user account that matches the certificate's subject or attributes.
  
  Cause:
  
  
  Missing User Mapping: The most common cause is that there is no SAP user account that corresponds to the X.509 certificate being presented. The system expects a user mapping based on the certificate's subject DN (Distinguished Name) or other attributes.
  
  
  Incorrect Certificate Configuration: The X.509 certificate may not be correctly configured or may not contain the necessary attributes that match an existing SAP user.
  
  
  Certificate Not Trusted: The certificate authority (CA) that issued the X.509 certificate may not be trusted by the SAP system, leading to authentication failures.
  
  
  User Status: The user account that should correspond to the certificate may be locked, inactive, or not properly configured.
  
  
  
  Solution:
  
  
  Create or Update User Mapping:
  
  Ensure