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Sql connection gives a TLS error even if encryption is not required

Hello, I've a problem with some computers to connect them to a SQL Server 2014 : a connection was established but ... protocol error ... opening session (SSL provider error 0) The application that try to connect to SQL Server is written in C# and use System.Data.SqlClient. On the server, I observe in the events : Schannel errors 36874 and 36888 (A TLS1.2 connection request was received from a remote client application, but none of the cipher suites supported by the client application are supported by the server. ) Some other computers in the same network can connect without problem. Thanks in advance for any help. Best regards, Guy
sql server 2014connectionssl
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