How To Fix SR193 - No authorization to create HMAC security key

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 193

• Message text: No authorization to create HMAC security key

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SR193 - No authorization to create HMAC security key ?

  The SAP error message SR193, which states "No authorization to create HMAC security key," typically occurs when a user attempts to create a Hash-based Message Authentication Code (HMAC) security key but lacks the necessary authorizations to perform this action. This error is often encountered in the context of SAP systems that utilize HMAC for securing communications or transactions.
  Cause:
  The primary cause of this error is insufficient authorization for the user role attempting to create the HMAC security key. This can happen due to:
  
  Missing Authorization Objects: The user may not have the required authorization objects assigned to their role.
  Role Configuration: The user's role may not be configured correctly to allow for the creation of HMAC keys.
  System Settings: Certain system settings or configurations may restrict the ability to create security keys.
  
  Solution:
  To resolve the SR193 error, you can follow these steps:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after the error occurs to check the authorization check that failed. This will provide insight into which specific authorization is missing.
  Alternatively, you can use transaction SU01 to review the user's roles and authorizations.
  
  
  
  Assign Required Authorizations:
  
  Ensure that the user has the necessary authorization objects. The specific authorization object required for creating HMAC keys is typically S_SEC_HMAC or similar, depending on your system configuration.
  If the user does not have the required authorizations, you may need to work with your SAP security team to assign the appropriate roles or permissions.
  
  
  
  Role Adjustment:
  
  If the user is part of a role that should have the necessary permissions, check the role configuration in transaction PFCG to ensure that the authorization objects are included and correctly configured.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to HMAC security keys for any additional requirements or configurations that may be necessary.
  
  
  
  Testing:
  
  After making changes to the user’s authorizations or roles, have the user attempt to create the HMAC security key again to verify that the issue has been resolved.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error.
  Security Best Practices: Ensure that your organization follows best practices for user authorizations and role management to prevent similar issues in the future.
  HMAC Overview: Familiarize yourself with how HMAC works within SAP and its importance in securing communications.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support for further assistance.