Visual Studio 2010 nuget error: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel

Asked 2012-01-23T13:37:28.013

Whenever I'm trying to install something or even just list the packages I get this error "The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel"

I tried this solution from Codeplex with no luck.

I use the latest version of Nuget.

I also tried different options in devenv.exe.config like this:

<servicePointManager  checkCertificateName="false"    checkCertificateRevocationList="false"/>

visual-studio-2010 web-config nuget

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1 Answer

We had the same issue in work, and we resolved this by dropping the secure socket, Https -> http. This means you can use the V2 URL http://nuget.org/api/v2/.

Possibly an issue getting rid of the secure socket, but the above URL (http://packages.nuget.org/v1/FeedService.svc/) is also unsecure.

answered 2013-07-22T15:12:14.410

Visual Studio 2010 nuget error: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel

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