How To Fix ARBFND_FRW417 - 477 Signature Unacceptable

SAP Error Message - Details

• Message type: E = Error

• Message class: ARBFND_FRW - Message class for package ARBFND_FRAMEWORK

• Message number: 417

• Message text: 477 Signature Unacceptable

The signature is technically valid, but is not acceptable to the
receiver for some other reason. The signature policies or certificate
policies may be unacceptable, the type of certificate used may be
unacceptable, or there may be some other problem.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ARBFND_FRW417 - 477 Signature Unacceptable ?

  The SAP error message ARBFND_FRW417 with the description "477 Signature Unacceptable" typically occurs in the context of electronic signatures or digital signatures when using SAP applications, particularly in scenarios involving document management or electronic forms.
  Cause:
  The error usually indicates that the digital signature being used is not acceptable due to one of the following reasons:
  
  Signature Algorithm: The signature algorithm used may not be supported or is considered insecure.
  Certificate Issues: The digital certificate used for signing may be expired, revoked, or not trusted by the system.
  Configuration Issues: There may be misconfigurations in the SAP system regarding the trust store or the signature verification settings.
  Policy Compliance: The signature may not comply with the required policies or standards set by the organization or regulatory bodies.
  
  Solution:
  To resolve the ARBFND_FRW417 error, you can take the following steps:
  
  
  Check the Digital Certificate:
  
  Ensure that the digital certificate used for signing is valid, not expired, and trusted by the SAP system.
  If necessary, renew or replace the certificate.
  
  
  
  Review Signature Algorithm:
  
  Verify that the signature algorithm used is supported by SAP. If it is outdated or insecure, consider using a more secure algorithm.
  
  
  
  Update Trust Store:
  
  Ensure that the trust store in the SAP system is correctly configured and includes the necessary root and intermediate certificates.
  
  
  
  Configuration Settings:
  
  Check the configuration settings related to digital signatures in the SAP system. This may include settings in the transaction codes like STRUST or SSO2.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to digital signatures and electronic forms for specific guidance on configuration and troubleshooting.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide specific patches or updates that address the issue.
  
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide updates related to digital signatures.
  Documentation: Review SAP Help documentation on electronic signatures and digital signature management.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.