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Connection Error with Colab VS Code Extension #234
Description
Title:
Unable to connect to Google Colab server in VS Code extension ("getaddrinfo ENOTFOUND")
Description:
I'm experiencing an error when trying to connect to a Google Colab runtime via the official Colab VS Code extension.
Screenshots:
Error Messages:
text
Unable to connect to the remote server
Ensure the server is running and reachable.
And
text
Command 'Colab: Remove Server' resulted in an error
request to https://8080-m-s-g8ceubfiyh3x-cus-east4-1.prod.colab.dev/api/sessions failed,
reason: getaddrinfo ENOTFOUND 8080-m-s-g8ceubfiyh3x-cus-east4-1.prod.colab.dev
Steps to Reproduce:
Install the official Google Colab extension in VS Code
Attempt to connect to a Colab runtime
Observe the "Unable to connect to remote server" and "getaddrinfo ENOTFOUND" errors
Expected Behavior:
VS Code should successfully connect to the Google Colab runtime and allow notebook editing/execution.
Actual Behavior:
Connection fails with the error above. Server cannot be reached.
Environment:
VS Code version:
Google Colab extension version:
OS: Windows 11
Additional Info:
Issue occurs consistently
Tried reinstalling extension, restarting VS Code and system
Activity
kevineger commentedon Nov 17, 2025
Thanks for the report @MeetInCode, and sorry you hit this! I believe this issue is the same as what's reported in #206, specifically the one that's laid out in my comment here. Closing as duplicate to facilitate tracking.