Symptom
The TLS handshake fails and the following error excerpt is recorded in ICM Trace:
Thr 139725208278784] >> Begin of Secu-SSL Errorstack >>
Thr 139725208278784] 0x2000051c SAPCRYPTOLIB SSL_connect
Thr 139725208278784] SSL API error
Thr 139725208278784] Failed to verify peer certificate. Expired or not yet valid.
Thr 139725208278784] Target Hostname=<Target host>
Thr 139725208278784] SSL NI-hdl 179: local=ABAP system IP address peer=Target System IP address
Thr 139725208278784] <<- ERROR: SapSSLSessionStart(sssl_hdl=7f1a10)==SSSLERR_PEER_CERT_EXPIRED
Thr 139725208278784] *** ERROR => IcmConnInitClientSSL: SapSSLSessionStart failed (-101): SSSLERR_PEER_CERT_EXPIRED
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Environment
SAP Netweaver ABAP Systems
SAP S/4 HANA
Product
Keywords
SSSLERR_PEER_CERT_EXPIRED, SSSLERR_PEER_CERT_UNTRUSTED, CSR, Failed to verify peer certificate, Expired or not yet valid , KBA , BC-SEC-SSL , Secure Sockets Layer Protocol , BC-CST-IC , Internet Communication Manager , Problem
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