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Error
New-Object : A constructor was not found. Cannot find an appropriate constructor for type System.Net.WebRequest. At line:1 char:7 + $wr = New-Object -TypeName System.Net.WebRequest + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : ObjectNotFound: (:) [New-Object], PSArgumentException + FullyQualifiedErrorId : CannotFindAppropriateCtor,Microsoft.PowerShell.Commands.NewObjectCommand
The error message is clear, now it's time to look into the Microsoft documentation. Reference Link
Remarks
Use the Create method to initialize new WebRequest instances.
Do not use the constructor.
Example C#
| WebRequest myRequest = WebRequest.Create("http://www.contoso.com"); |
PowerShell Code
| $wr = [System.Net.WebRequest]::Create('http://technet.microsoft.com') $wr | GM |
| $wr = [System.Net.WebRequest]::Create('http://technet.microsoft.com') $wr.ReadWriteTimeout |