GitHub Copilot / GitHub Copilot

GitHub Copilot Authentication Failed — Invalid Client ID or Secret

Fix GitHub Copilot login error with incorrect client_id or client_secret Includes evidence for GitHub Copilot troubleshooting demand.

Source-backed Last updated May 12, 2026 1 source Needs local verification

Category: GitHub Copilot
Error signature: GitHub Copilot Login: The client_id and/or client_secret passed are incorrect
Quick fix: Verify the account session, API key, provider settings, and environment where the failing tool is running.
Updated: May 12, 2026
Verification status: Source-backed
Evidence: 1 public source URL

Before you change production

This page includes public source URLs in the imported troubleshooting record. Compare those references with your version and environment before applying changes.

Reproduce the smallest failing action and save non-secret logs before changing configuration.
Check versions for GitHub Copilot, related SDKs, package managers, CI runners, and hosting providers.
Change one setting or dependency at a time, then rerun the same failing command or request.
Avoid destructive commands, credential rotation, billing changes, or security relaxations without a rollback plan.

What this error means

GitHub Copilot Login: The client_id and/or client_secret passed are incorrect is a GitHub Copilot failure pattern reported for developers trying to fix github copilot login error with incorrect client_id or client_secret. Based on the imported evidence, treat this as a tool-specific troubleshooting page rather than a generic API error.

Why this happens

Bug report on microsoft/terminal (issue #20198, created 2026-05-07). After fresh install of Windows Terminal Canary, GitHub Copilot authentication fails with 'The client_id and/or client_secret passed are incorrect' error during OAuth flow. Affects developers trying to use Copilot Chat integration.

Common causes

Developers installing Windows Terminal Canary or similar tools that integrate GitHub Copilot Chat encounter an OAuth authentication failure during GitHub login. The error 'The client_id and/or client_secret passed are incorrect' blocks access to Copilot features entirely.
Bug report on microsoft/terminal (issue #20198, created 2026-05-07). After fresh install of Windows Terminal Canary, GitHub Copilot authentication fails with 'The client_id and/or client_secret passed are incorrect' error during OAuth flow. Affects developers trying to use Copilot Chat integration.

Quick fixes

Confirm the exact error signature matches GitHub Copilot Login: The client_id and/or client_secret passed are incorrect.
Check the GitHub Copilot account, local tool state, and provider configuration involved in the failing workflow.
Verify the account session, API key, provider settings, and environment where the failing tool is running.

Platform/tool-specific checks

Verify the command, editor, extension, or API client that produced the error.
Compare local settings with CI, deployment, or editor-level settings when the error appears in only one environment.
Avoid deleting credentials, local model data, or project settings until the failing scope is clear.

Step-by-step troubleshooting

Capture the exact error message and the command, editor action, or request that triggered it.
Check whether the failure is account/auth, quota/rate, model/provider, local runtime, or deployment configuration.
Review the source evidence below and compare it with your environment.
Apply one change at a time and rerun the smallest failing action.
Keep the working fix documented for the team or deployment environment.

How to prevent it

Keep provider/tool configuration documented.
Record non-secret diagnostics such as tool version, provider name, model name, and command path.
Add a lightweight check before CI or production workflows depend on the tool.

Diagnostic flow for this page

Match GitHub Copilot Login: The client_id and/or client_secret passed are incorrect exactly before applying the quick fix.
Compare the failing environment with GitHub Copilot versions, account scope, provider settings, and deployment context.
Check the listed common causes in order, starting with the cause that best matches your logs.
Use the evidence status below to decide whether to confirm against public sources or official documentation.
Apply one reversible change, rerun the smallest failing action, and keep rollback notes.

FAQ

What does GitHub Copilot Login: The client_id and/or client_secret passed are incorrect mean in GitHub Copilot?

GitHub Copilot Login: The client_id and/or client_secret passed are incorrect indicates the workflow described by "GitHub Copilot Authentication Failed — Invalid Client ID or Secret" failed in a GitHub Copilot context. Start by confirming the exact signature and the component that emitted it.

What should I check first for GitHub Copilot Login: The client_id and/or client_secret passed are incorrect?

Check whether this cause matches your environment: Developers installing Windows Terminal Canary or similar tools that integrate GitHub Copilot Chat encounter an OAuth authentication failure during GitHub login. The error 'The client_id and/or client_secret passed are incorrect' blocks access to Copilot features entirely.

Is the GitHub Copilot Login: The client_id and/or client_secret passed are incorrect guidance source-backed?

The "GitHub Copilot Authentication Failed — Invalid Client ID or Secret" page is labeled source-backed. It has 1 public source URL from github.com, so use that evidence status when deciding how much additional verification you need.

When should I avoid the quick fix for GitHub Copilot Login: The client_id and/or client_secret passed are incorrect?

For "GitHub Copilot Authentication Failed — Invalid Client ID or Secret", avoid applying "Verify the account session, API key, provider settings, and environment where the failing tool is running." when the error text differs, the affected version or provider is different, or the change would touch credentials, billing, DNS, production deploy settings, or irreversible data.

What should I collect before debugging GitHub Copilot Login: The client_id and/or client_secret passed are incorrect?

For "GitHub Copilot Authentication Failed — Invalid Client ID or Secret", collect the failing GitHub Copilot command or request, non-secret configuration, versions, timestamps, request IDs when available, and the smallest reproduction that still triggers the signature.