https://login.microsoftonline.com & D365 CRM Environment Url are not accessible in .NET 6 unit test project & .NET 6 Console App in Windows server. Error: “No such host is known” is shown.

Question

Hi,

https://login.microsoftonline.com& D365 CRM Environment Url are accessible in .NET Framework 4.8 (unit test project & Console App) in Windows server, but are not accessible in .NET 6 (unit test project & Console App) in Windows server. Error: “No such host is known” is shown.

I have configured the proxy settings correctly and the unit tests for the .NET 6 unit test project are passing in local environment. But still https://login.microsoftonline.com & D365 CRM Environment Url are not accessible in .NET 6 (unit test project & Console App) in Windows server (Error: “No such host is known”).

Please let me know the solution for this issue.