WinHTTP is a component of Microsoft Windows that provides a common interface to access resources through HTTP.

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Are IE proxy settings available to applications published via RemoteApp?

I have an application which uses WinHttp calls to access webservices. The application works if I run it in a remote desktop session, but will not connect to the server when running as a RemoteApp. Do ...
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160 views

ARR troubleshooting 502.3 / WinHttp tracing on Server 2012

I have the following scenario: 3 windows server 2012 virtual servers, all with IIS 8: 1 server with Application Request Routing 3 2 servers with the web applications that the ARR server routes to ...
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935 views

How do I apply WinHTTP proxy settings domain-wide?

We're already configuring Internet Explorer proxy settings through group policy and it works great. Sadly, I've recently run into multiple issues where those settings are ignored by certain services. ...
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How can I easily test connectivity to external sources with WinHTTP?

I've got an server application that uses Winhttp to fetch information from an external source. Occasionally, I'll need to troubleshoot connectivity issues and I'd like an easy way to test connections ...
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14k views

How to Grant IIS 7.5 access to a certificate in certificate store?

In Windows 2003 it was simple to do and one could use the winhttpcertcfg.exe (download) to give "NETWORK SERVICE" account access to a certificate. I'm now using Windows Server 2008 R2 with IIS 7.5 ...
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690 views

Where to obtain the WinHttp 5.1 redistributable?

i'm trying to find the redistributable for Microsoft WinHttp 5.1. Some older Windows 2000 machines in the enterprise do not have it. Microsoft's website says: Redistribution WinHTTP 5.1 is ...