"Failed to fetch available toolchains." on Visual Studio Code

Question

Hi. 
 I wanna evaluate nRF52840-DK. However, when I tried to install Toolchain on Visual Studio Code, a message "Failed to fetch available toolchains." is displayed. "nRF Connect for VS Code Extension Pack" is installed. I clicked "Install Toolchain" bottun in the WELCOM view, and then "Failed to fetch available toolchains." is displayed. I reffered to the bellow URL to do that. https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/installation.html 
 I know a similar Q&A (the bellow URL), but don't know the cause. https://devzone.nordicsemi.com/f/nordic-q-a/93616/toolchain-manager-failed-to-download-toolchain-index-file My enviroment is the following. Windows10 64bit Visual Studio Code ver 1.85.1 Do you know any hints about this? Thank you.

ulyssis · Accepted Answer

Hi Ryo, thanks for the response. I solved this issue with the similar workaround. By using a older version of toolchain manager in 'nRF connect for Desktop': After clicking 'open', i can see all the SDK versions and install the latest version v2.5.1.

Øyvind · Answer

Hello, 
 Are you still getting Failed to fetch available toolchains." and the pop-up you mention ? 
 Ryo1673 said: And, I tried to install "nRF Connect for Desktop" and click the install button of "Toolchain Manager", then the bellow popup was displayed. 
 If you are, can you open the developer console in the Toolchain Manager (CTRL+SHIFT+I). Do you have any output in the console ? 
 Kind regards, Øyvind

Øyvind · Answer

Based on this information it sounds like the company firewall is blocking access to our servers. Are you able to confirm with your IT department? Are you able to test on another open network? E.g. a home network or similar? 
 Kind regards, Øyvind

"Failed to fetch available toolchains." on Visual Studio Code

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