SQL Server does support TLS1.2?

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TLS 1.2 support for SQL Server 2017 on Windows, SQL Server 2016, SQL Server 2008, SQL Server 2008 R2, SQL Server 2012, and SQL Server 2014.Several known vulnerabilities have been reported against SSL and earlier versions of Transport Layer Security (TLS). So, it is  recommend that we have to upgrade to TLS 1.2 for secure communication.

 But OLEDB provider and ODBC providers will not work on TLS1.2 environment as  these Components Ship with Windows are legacy components and only provided for backward compatibility. These have been deprecated since SQL 2005.

 SQLOLEDB will not receive support for TLS 1.2. You will need to switch your driver to one of the supported drivers listed in https://support.microsoft.com/en-us/kb/3135244

You should be able to install SQL Server Native Client 2012 and use that OLE DB provider with only a connection string change (Provider=SQLNCLI11).






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