How To Fix WSS036 - Encryption check failed (part not encrypted: &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: WSS - Web Services Security

• Message number: 036

• Message text: Encryption check failed (part not encrypted: &1)

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSS036 - Encryption check failed (part not encrypted: &1) ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WSS036 Encryption check failed (part not encrypted: &1)
  
  Cause:
  This error occurs during the processing of secure communication or secure data exchange in SAP, specifically when dealing with encrypted messages or data parts. The message indicates that a part of the data expected to be encrypted is found not encrypted during the verification process.
  Common causes include:
  
  Mismatch in encryption settings: The sender or receiver expects certain parts of the message to be encrypted, but the actual message part is not encrypted.
  Incorrect or missing encryption keys: The encryption keys used to encrypt or decrypt the message parts are incorrect, missing, or not properly configured.
  Corrupted or altered message: The message might have been tampered with or corrupted during transmission, causing the encryption check to fail.
  Configuration issues in Secure Store or Secure Communication: The SAP system’s secure communication setup (e.g., SNC, SSL, or WS-Security) might be incomplete or misconfigured.
  Incompatible or unsupported encryption algorithms: The encryption algorithm used might not be supported or correctly implemented on either side.
  
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Verify Encryption Configuration:
  
  Check the encryption settings in the SAP system and the communicating partner system.
  Ensure that the parts of the message expected to be encrypted are correctly marked and processed.
  
  
  
  Check Encryption Keys and Certificates:
  
  Validate that the encryption keys and certificates are correctly installed and valid.
  Ensure that the keys used for encryption and decryption match and are not expired or revoked.
  
  
  
  Review Secure Communication Setup:
  
  For SNC or SSL, verify that the secure communication parameters are correctly configured.
  Check the SAP profile parameters related to secure communication.
  
  
  
  Analyze the Message Content:
  
  Use transaction STRUST to check certificates.
  Use tools like SOAP UI or SAP’s message monitoring to inspect the message and confirm which parts are encrypted.
  Look for any message alterations or truncations.
  
  
  
  Check for Patches or Notes:
  
  Search SAP Notes for any known issues related to WSS036.
  Apply relevant patches or updates if available.
  
  
  
  Enable Detailed Logging:
  
  Increase the logging level for secure communication or WS-Security to get more detailed error information.
  Analyze logs to pinpoint the exact part of the message causing the failure.
  
  
  
  
  Related Information:
  
  Transaction STRUST: Manage certificates and keys.
  SAP Web Services Security (WS-Security): This error often relates to WS-Security processing in SAP PI/PO or SAP Gateway.
  SAP Notes: Check SAP Support Portal for notes related to WSS036.
  Secure Network Communications (SNC): If SNC is used, verify SNC configuration.
  SAP PI/PO or SAP Gateway: If the error occurs in these components, check the WS-Security policy and configuration.
  
  
  Summary:
  The error WSS036 Encryption check failed (part not encrypted: &1) indicates that a message part expected to be encrypted is not encrypted, usually due to configuration or key issues. Verify encryption settings, keys, certificates, and secure communication setup to resolve the issue.
  
  If you provide more context (e.g., which SAP component or scenario), I can give more targeted advice.