How To Fix CRM_ACTIVITY_H803 - Signature is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_ACTIVITY_H - Output for Administration Header

• Message number: 803

• Message text: Signature is invalid

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 CRM_ACTIVITY_H803 - Signature is invalid ?

  The SAP error message "CRM_ACTIVITY_H803 Signature is invalid" typically occurs in the context of SAP CRM (Customer Relationship Management) when there is an issue with the digital signature of a document or transaction. This error can arise due to various reasons, including:
  Causes:
  
  Invalid Digital Signature: The digital signature associated with the document or transaction may be corrupted or not properly generated.
  Certificate Issues: The certificate used for signing may have expired, been revoked, or not properly installed in the system.
  Configuration Issues: There may be misconfigurations in the system settings related to digital signatures or security settings.
  Data Integrity Issues: The data being processed may have been altered or tampered with, leading to an invalid signature.
  System Updates: Recent updates or changes in the system may have affected the signature validation process.
  
  Solutions:
  
  Check Digital Signature: Verify the digital signature of the document or transaction. Ensure that it is correctly generated and valid.
  Update Certificates: If the certificate has expired or is invalid, update it with a valid certificate. Ensure that the certificate chain is complete and trusted.
  Review Configuration: Check the configuration settings related to digital signatures in the SAP system. Ensure that all necessary parameters are correctly set.
  Recreate the Document: If possible, recreate the document or transaction that is causing the error. This can help in generating a new valid signature.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. Applying the latest patches may resolve the issue.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on digital signatures and their configuration in SAP CRM.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Technical Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the "CRM_ACTIVITY_H803 Signature is invalid" error in your SAP system.