The certificate chain was issued by an authority that is not trusted.

A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - The certificate chain was issued by an authority that is not trusted.) (Microsoft SQL Server, Error: -2146893019)

For help, click: https://docs.microsoft.com/sql/relational-databases/errors-events/mssqlserver--2146893019-database-engine-error

This can occure on a new installs of Microsoft SQL server when logging in with Microsoft SQL Management Studio because an option is set for Encrypt connection by default.

The options settings can be adjusted to either remove the Encrypt connection or add the Trust server certificate.