#schannel-errors

Windows Event ID 36888 – Schannel: TLS/SSL Handshake Failure with Certificate Validation Error

Event ID 36888 indicates a TLS/SSL handshake failure in the Schannel security provider, typically caused by certificate validation errors, protocol mismatches, or cipher suite incompatibilities during secure connection attempts.

Windows Event ID 36874 – Schannel: TLS Connection Handshake Failure

Event ID 36874 indicates a TLS handshake failure in the Schannel security provider, typically occurring when secure connections cannot be established due to protocol mismatches, certificate issues, or cipher suite incompatibilities.

Windows Event ID 5378 – SCHANNEL: TLS/SSL Certificate Chain Validation Error

Event ID 5378 indicates SCHANNEL encountered a certificate chain validation error during TLS/SSL handshake, typically due to untrusted root certificates or incomplete certificate chains.

Windows Event ID 36887 – Schannel: TLS Connection Error or Certificate Validation Failure

Event ID 36887 indicates TLS/SSL connection failures or certificate validation errors in the Schannel security provider, commonly affecting HTTPS connections and secure communications.