To fix this connection errorĮnable connections for the following URLs: Security appliances on some private networks block certain server connections when Visual Studio uses TLS 1.2. Visual Studio uses Transport Layer Security (TLS) 1.2 protocol to connect to network resources. The underlying connection was closed: An unexpected error occurred on send If Visual Studio fails to connect to one of these resources, you might see the following error message: These resources can include Azure DevOps Services for sign-in and licensing, NuGet, and Azure services. If you are using Visual Studio in a private network that has a firewall, Visual Studio might not be able to connect to some network resources. Įrror: “The underlying connection was closed”
VISUALSVN VISUAL STUDIO EXPRESS CODE
In the configuration file, check whether the following code is present if the code isn't present, add it before the last line. To fix this proxy errorįind (the feedback.exe configuration file) in: %ProgramFiles(x86)%\Microsoft Visual Studio\Installer or %ProgramFiles%\Microsoft Visual Studio\Installer. This error generally occurs when a user is connected to the internet through a proxy server, and the proxy server blocks the calls that Visual Studio makes to some network resources. If you want to use your default credentials with your proxy, you can perform the following actions:įor more information, see the Element (Network Settings) and Element (Network Settings) pages.Įrror: “Disconnected from Visual Studio” when attempting to report a problem You can otherwise remove the address from the allow list so that the proxy authentication dialog shows up for both the address and the server endpoints when Visual Studio is restarted. For these servers, consider adding the following URLs to an allow list to unblock all sign-in scenarios in Visual Studio: If restarting Visual Studio does not solve the problem, it might be that your proxy server does not prompt for credentials for addresses but does so for *. addresses.
Enter your credentials when prompted in the dialog. A proxy authentication dialog box should appear. This error generally occurs when users are connected to the internet through a proxy server, and the proxy server blocks the calls that Visual Studio makes to some network resources.
VISUALSVN VISUAL STUDIO EXPRESS INSTALL
We've got solutions for the most typical network- or proxy-related errors that you might encounter when you install or use Visual Studio behind a firewall or a proxy server.
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