Visual Studio 2017 Enterprise Offline Installation Fails

visual-studio visual-studio-2017 failed-installation
Ershad Nozari picture Ershad Nozari · Mar 9, 2017 · Viewed 20.9k times · Source

I have created a Visual Studio 2017 offline installer using the command: mu_visual_studio_enterprise_2017_x86_x64_10049783.exe --layout c:\vs2017offline

Behind firewall, when I execute mu_visual_studio_enterprise_2017_x86_x64_10049783.exe, in the vs2017offline folder, I'm getting the following error:

Details WebClient download failed: The remote server returned an error: (407) Proxy Authentication Required. Bits download failed: Error context: BG_ERROR_CONTEXT_REMOTE_FILE, Error code: -2145844841 WinInet download failed: Url 'https://download.microsoft.com/download/0/1/2/012ECA6A-588A-4E9A-9759-62DB964C511A/VSInitializer.exe' returned HTTP status code: 407

Seems the installer still attempts making a connection to the internet.

Help.

Answer

Vijay picture Vijay · Mar 9, 2017

For me it was the issue with validating the certificates the packages has been signed with. Since validation was failing, it was trying to connect to the internet to get the packages again. I imported all the certificates in the /layoutRoot/certificates folder and retried the installation and it worked.

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