The command fails. Access denied. You need to sign in before you can check out the branch.
This is where Git checkout Single Sign-On (SSO) changes the workflow. It removes the friction of repeated authentication. With SSO tied to your Git environment, you authenticate once, and every checkout runs without extra prompts.
SSO integrates with providers like Okta, Azure AD, or Google Workspace. You connect your Git tool to an identity provider (IdP) using OpenID Connect (OIDC) or SAML. Once linked, your credentials are verified at the start of the session. Every Git checkout, pull, or push passes through silently, secured by the existing token.
For teams, SSO offers centralized control. Admins can enforce policies, revoke access instantly, and track activity without local credential sprawl. Users avoid storing plain-text tokens or juggling multiple SSH keys. The result is faster context switching and stronger security posture.