The only problem is that SecurityProtocolType in. NET 4.5 (or above) installed on the system then you still can opt in for TLS 1.2 even if your application framework doesn't support it. TLS 1.2 is not supported, but if you have.
TEST TLS 1.2 CONNECTION HOW TO
NET Support: How to Avoid Connection Errors blog post : Workarounds are suggested also in the TLS 1.2 and. NET Framework 4.6 Microsoft article, where a workaround is provided. To overcome the problem check the Cannot connect to a server by using the ServicePointManager or SslStream APIs after upgrade to the. Unable to read data from the transport connection: An existing connection was forcibly closed by the remoteĪn existing connection was forcibly closed by the remote host Suggested Workarounds The underlying connection was closed: An unexpected error occurred on a send. The client and server cannot communicate, because they do not possess a common algorithm Error MessageĪn error occurred while sending the request. The reports may throw the following error When using a WebServiceDataSource with such Web sources there may appear a problem with retrieving the data. The latter does not support TLS 1.2 by default. NET 4.0 mainly for backwards compatibility. The requirements of TLS 1.2 are recent, and it is not supported by older versions of the. For some Web sources this is the lowest acceptable secure version and all older protocols are disabled. TLS 1.2 is a relatively new protocol that provides enhanced security. Download free 30-day trial WebServiceDataSource failing to retrieve web resources on TLS 1.2 HTTPS connection Environment Product