How To Fix SCWN173 - Error when verifying issuer of digital signature of note file &

SAP Error Message - Details

• Message type: E = Error

• Message class: SCWN - Messages Note installation and management

• Message number: 173

• Message text: Error when verifying issuer of digital signature of note file &

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SCWN173 - Error when verifying issuer of digital signature of note file & ?

  The SAP error message SCWN173 indicates an issue with verifying the issuer of a digital signature for a note file. This typically occurs when there is a problem with the digital signature of a support package or note that you are trying to implement in your SAP system. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  Invalid or Expired Certificate: The digital signature may be signed with a certificate that is no longer valid or has expired.
  Missing Trusted Certificates: The required root or intermediate certificates may not be installed in the SAP system's trust store.
  Corrupted Note File: The note file itself may be corrupted or not downloaded correctly.
  Network Issues: There may be network issues preventing the system from accessing the necessary certificate validation services.
  Configuration Issues: The system may not be configured correctly to validate digital signatures.
  
  Solutions:
  
  
  Check Certificate Validity:
  
  Verify that the certificate used to sign the note is valid and has not expired. You can check this in the SAP system's transaction code STRUST.
  
  
  
  Install Missing Certificates:
  
  If the required certificates are missing, you can download the necessary root and intermediate certificates from the SAP Service Marketplace and import them into the SAP system using transaction STRUST.
  
  
  
  Re-download the Note:
  
  If the note file is suspected to be corrupted, try re-downloading it from the SAP Support Portal.
  
  
  
  Check Network Connectivity:
  
  Ensure that your SAP system has proper network connectivity to access the certificate validation services.
  
  
  
  Update SAP Kernel:
  
  Sometimes, updating the SAP kernel to the latest version can resolve issues related to digital signatures.
  
  
  
  Consult SAP Notes:
  
  Look for specific SAP Notes related to SCWN173 or digital signature issues. SAP frequently provides updates and patches that may address known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction STRUST: This transaction is used to manage SSL certificates and trust relationships in the SAP system.
  SAP Support Portal: This is where you can find and download notes, patches, and updates.
  SAP Notes: Regularly check for SAP Notes that may address specific issues related to digital signatures and note implementation.
  
  By following these steps, you should be able to diagnose and resolve the SCWN173 error in your SAP system.