How To Fix IDSAU327 - You must specify one certificate as the main certificate

SAP Error Message - Details

• Message type: E = Error

• Message class: IDSAU - Localization Saudi Arabia

• Message number: 327

• Message text: You must specify one certificate as the main certificate

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDSAU327 - You must specify one certificate as the main certificate ?

  The SAP error message IDSAU327, which states "You must specify one certificate as the main certificate," typically occurs in the context of managing digital certificates within the SAP system, particularly when dealing with secure communications or digital signatures.
  Cause:
  This error usually arises when:
  
  Multiple Certificates: You have multiple certificates defined in the system, but none of them is marked as the "main" or "primary" certificate.
  Configuration Issues: The configuration settings for the digital certificates may not be properly set, leading to ambiguity about which certificate should be used as the main one.
  Missing Main Certificate: The system expects at least one certificate to be designated as the main certificate for operations like signing or encryption, and this designation is missing.
  
  Solution:
  To resolve the IDSAU327 error, you can follow these steps:
  
  
  Access the Certificate Management:
  
  Go to the transaction code STRUST in the SAP GUI. This will take you to the Trust Manager.
  
  
  
  Check Existing Certificates:
  
  In the Trust Manager, navigate to the appropriate area (e.g., "PSE" for Personal Security Environment) where your certificates are stored.
  Review the list of certificates to see if there are any that are not marked as the main certificate.
  
  
  
  Designate a Main Certificate:
  
  Select one of the existing certificates that you want to designate as the main certificate.
  Right-click on the certificate and look for an option to set it as the main certificate (this may vary based on your SAP version).
  Ensure that the selected certificate meets the requirements for being a main certificate (e.g., it should be valid and properly configured).
  
  
  
  Save Changes:
  
  After designating the main certificate, save your changes and exit the Trust Manager.
  
  
  
  Test the Configuration:
  
  After making the changes, perform the operation that previously triggered the error to ensure that the issue is resolved.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for more details on managing digital certificates and the Trust Manager.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  Security Settings: Ensure that your security settings and policies are in compliance with your organization's requirements for digital certificates.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.