Hi Selda, Thank you for your reply, Where can I change this TLS? But the way we're using outsystems for the development. Thank you again.

Hi, Did you use the following Documentation to resolved your issue? https://success.outsystems.com/Support/Enterprise_Customers/Maintenance_and_Operations/(.NET)_Enable_SSL_Protocols_for_your_Integrations_-_TLS_1.1_and_TLS_1.2#B1._Enable_the_SchUseStrongCrypto_property_in_the_Windows_registry_to_use_as_the_default_protocols:_TLS_1.0.2C_TLS_1.1_and_TLS_1.2

Hi Selda, Your suggestion works with us as well, Thank you very much.