How To Fix TN772 - The signature verification for &1 finished with warnings: &2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 772

• Message text: The signature verification for &1 finished with warnings: &2&3&4

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 TN772 - The signature verification for &1 finished with warnings: &2&3&4 ?

  The SAP error message TN772 indicates that there was an issue with the signature verification of a document or message in the SAP system. This typically occurs in the context of electronic data interchange (EDI) or when dealing with digitally signed documents. The message provides information about the verification process, including warnings that may indicate potential issues with the signature.
  Cause
  The error message TN772 can be triggered by several factors, including:
  
  Invalid Signature: The signature may not match the content of the document, indicating that the document has been altered after signing.
  Certificate Issues: The digital certificate used for signing may be expired, revoked, or not trusted by the system.
  Configuration Problems: There may be issues with the configuration of the cryptographic settings in the SAP system.
  Missing Public Key: The public key required to verify the signature may not be available in the system.
  Algorithm Mismatch: The signing algorithm used may not be supported or recognized by the SAP system.
  
  Solution
  To resolve the TN772 error, you can take the following steps:
  
  Check the Signature: Verify that the document has not been altered after it was signed. If it has been modified, you will need to obtain a new signed version.
  Validate Certificates: Ensure that the digital certificate used for signing is valid, not expired, and trusted by the SAP system. You may need to update the certificate or import a new one.
  Review Configuration: Check the configuration settings related to digital signatures and cryptography in the SAP system. Ensure that they are set up correctly.
  Import Public Key: If the public key is missing, obtain it from the signer and import it into the SAP system's trust store.
  Check Algorithm Support: Ensure that the signing algorithm used is supported by your version of SAP. If not, you may need to update your system or use a different signing method.
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Documentation: Review the SAP documentation on digital signatures and EDI processing for best practices and troubleshooting steps.
  System Logs: Look at the system logs (transaction SLG1) for more detailed error messages that may provide additional context for the warnings.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with the full error message and any relevant logs.
  
  By following these steps, you should be able to identify the cause of the TN772 error and implement a solution to resolve it.