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3210987 - Logon Ticket SSO not working due to System PSE missing in SSO2

Symptom

Logon Ticket SSO not working due to message:

The digital signature for this certificate cannot be verified.

In SSO2 transaction of the ticket accepting system, the System PSE is missing as below:

Certificate List
The certificate list is used to verify the digital signature of the logon ticket.

/usr/sap/SID/D00/sec/***=> Here a different PSE was added OR the System PSE is missing.


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Environment

SAP NetWeaver Application Server ABAP

Product

SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP S/4HANA 1909 ; SAP S/4HANA 2021

Keywords

Logon Ticket, MYSAPSSO2, SSO2, SAPSYS.pse, certificate list, digital signature, logon ticket , KBA , BC-SEC-LGN , Authentication , BC-JAS-SEC-LGN , Logon, SSO , Problem

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