event id 36887 schannel 46 SOLUCION/A fatal alert was received from the remote endpoint. The TLS protocol defined fatal alert code is 46

These ones may help.
https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/dn786445(v=ws.11)#event-id-36887-a-fatal-alert-was-received
https://learn.microsoft.com/en-us/archive/blogs/kaushal/ssltls-alert-protocol-the-alert-codes

Hello,

from the error you know that this alert is related with the certificate that you used:

46

certificate_unknown

An unspecified issue took place while processing the certificate that made it unacceptable.

SSL/TLS Alert Protocol & the Alert Codes
https://learn.microsoft.com/en-us/archive/blogs/kaushal/ssltls-alert-protocol-the-alert-codes

Event ID 36887 indicates an SSL fatal alert. This may be logged if you try to initiate an HTTP connection to an HTTPS server, or if the server is being probed or scanned for vulnerabilities

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