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Questions tagged [winhttp]

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

Microsoft Windows HTTP Services (WinHTTP) provides developers with an HTTP client application programming interface (API) to send requests through the HTTP protocol to other HTTP servers.

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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 and I am unable to find where and how to set…
thames
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Win32/.NET applications and browsers (but not CURL) suddenly unable to make HTTP requests on AWS VM

Environment: AWS / Microsoft Windows Server 2019 VM A few .NET applications are running on a VM (as windows services), which make various HTTP requests. One of these is also using MQTT (via MQTTnet) to relay events from an external service to a…
looselycoupled
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How can I enable WinHTTP trace logging in Server 2012 R2 for viewing raw HTTP commands and application details?

I have an application running on a Windows Server 2012 R2 system and the app leverages winHTTP for various network requests. It's not able to communicate with another server on the network and I suspect (but can't confirm) that there's a network…
Mike B
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consequences of disabling 'The WinHTTP Web Proxy Auto-Discovery Service '

I am dba responsible for several sql boxes running sql2008 standard on Windows 2008r2 datacentre Servers. Every now and again I see a spike in cpu which coincides with the event "The WinHTTP Web Proxy Auto-Discovery Service service entered the…
user2211868
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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. I realized that these service have one thing in…
Oliver Salzburg
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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 available only with Windows Server 2003, Windows XP with…
Ian Boyd
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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 I am getting intermittent 502 3 12002…
nachojammers
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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 through winHTTP (on the off-chance that there's…
Mike B
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Winhttp Multiple Proxy Servers

Is there a way to set multiple proxy servers via winhttp? I have an application that looks at the registry key set by winhttp for the proxy server and I can confirm it's working fine when I set it via the command below. netsh winhttp set proxy…
Eric
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winhttp proxy settings not being picked up by system account

We are in the middle of setting up Exchange Hybrid with new 2016 Exchange servers in their own network segment which the HCW was run and they have access to the Microsoft 0365 endpoints only through our firewall and are our existing Exchange 2010…
NewExAdmin
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