Message type: E = Error
Message class: 1S - Messages for SSF ("Secure Store & Forward")
Message number: 540
Message text: Certificate response does not match PSE
The public key of the certificate response does not match the PSE. There
are two possible reasons for this happening. Either you created the
certificate request from another PSE. Or you have regenerated the PSE
after creating the certificate request (in Trust Manager: choose
Generate PSE or Replace PSE). Even if you regenerate a PSE with the same
subject name, you generate new cryptographic keys, that is a certificate
response that would match the old PSE does not match the new PSE.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Select the correct PSE to import the certificate response. If you have
regenerated the PSE after generating the certificate request, you need
to generate a new certificate request, and therefore request a new
certificate from the CA.
Error message extract from SAP system. Copyright SAP SE.
1S540
- Certificate response does not match PSE ?The SAP error message 1S540: Certificate response does not match PSE typically occurs in the context of Secure Network Communications (SNC) when there is a mismatch between the certificate presented by the server and the Personal Security Environment (PSE) configured in the SAP system. This can happen during secure communications, such as when establishing a connection to an external system or service. Causes: Mismatched Certificates: The certificate presented by the server does not match the expected certificate in the PSE. Expired Certificates: The certificate in the PSE may have expired or been revoked. Incorrect PSE Configuration: The PSE may not be correctly configured or may not contain the necessary certificates. Network Issues: There may be network issues that prevent the proper exchange of certificates. Changes in the Certificate Authority (CA): If the CA that issued the certificates has changed or if the root certificate is not trusted, this error can occur. Solutions: Verify Certificates: Check the certificates in
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