Cloud Insight Telegraf agent fails to install with error "CS0246: The type or namespace name 'ICertificatePolicy' could not be found"

Applies to

• Cloud Insights
• Telegraf agent for Windows 

Issue

When trying to install the Telegraf agent the install fails right away with the following error:

Add-Type: C:\Users\user1\cloudinsights-windows-env.ps1:1
Line |
   1 |  Add-Type
'using System.Net; using System.Security.Cryptography.X509Ce …
     |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     | (1,107): error CS0246: The type or namespace name
'ICertificatePolicy' could not be found (are you
     | missing a using directive or an assembly reference?) using System.Net;
using
     | System.Security.Cryptography.X509Certificates; public class TrustAllCertsPolicy : ICertificatePolicy {
     | public
bool CheckValidationResult(ServicePoint srvPoint, X509Certificate certificate, WebRequest
     | request, int certificateProblem)
{return true;}}
     | ^