How To Fix /PF1/MSG_CP755 - The PI is assigned to an external CA so cannot be assigned an internal CA

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_CP -

• Message number: 755

• Message text: The PI is assigned to an external CA so cannot be assigned an internal CA

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_CP755 - The PI is assigned to an external CA so cannot be assigned an internal CA ?

  The SAP error message /PF1/MSG_CP755 indicates that a particular Process Instruction (PI) is assigned to an external Certificate Authority (CA), which prevents it from being assigned to an internal Certificate Authority. This situation typically arises in the context of managing certificates and security settings within SAP systems, particularly in scenarios involving digital signatures, encryption, or secure communications.
  Cause:
  
  External CA Assignment: The PI is linked to an external CA, which means that the system is configured to trust certificates issued by that external authority.
  Configuration Conflict: The system is trying to assign the PI to an internal CA, which is not allowed when it is already associated with an external CA.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check PI Assignment:
  
  Review the assignment of the Process Instruction (PI) to ensure it is correctly linked to the intended Certificate Authority.
  If the PI should be associated with an internal CA, you may need to remove the external CA assignment.
  
  
  
  Modify CA Settings:
  
  If the PI needs to remain with the external CA, ensure that any processes or configurations that require an internal CA are adjusted accordingly.
  You may need to update the configuration settings in the SAP system to reflect the correct CA assignment.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on managing Certificate Authorities and Process Instructions.
  Check for any specific notes or updates from SAP that may address this issue.
  
  
  
  System Configuration:
  
  If you have access to the system configuration, you may need to adjust the settings related to the Certificate Authorities in the SAP system.
  This may involve using transaction codes like STRUST (for managing SSL certificates) or other relevant configuration transactions.
  
  
  
  Contact SAP Support:
  
  If the issue persists or if you are unsure about making changes, consider reaching out to SAP support for assistance. They can provide specific guidance based on your system configuration and requirements.
  
  
  
  Related Information:
  
  Certificate Authorities (CAs): Understand the difference between internal and external CAs and their roles in securing communications and data within SAP systems.
  Process Instructions (PIs): Familiarize yourself with how PIs are used in your SAP environment and their relationship with security settings.
  SAP Security Configuration: Review best practices for configuring security settings in SAP, including the management of certificates and CAs.
  
  By following these steps, you should be able to resolve the error and ensure that your SAP system is configured correctly regarding Certificate Authorities.