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Authentication & SSOJan 22, 20261 min readNullSect Labs

JIT Provisioning Explained

What just-in-time provisioning does during SSO login and how to test it.

What JIT provisioning means Just-in-time provisioning creates or updates a user account during login, usually based on attributes sent by the identity provider. ## Why it is useful JIT can reduce manual account creation and make onboarding smoother. It also means login behavior can change account state, so testing needs to include first-login scenarios. ## Test the first login Verify what happens when a new user signs in, when required attributes are missing, when attributes change, and when a user already exists. ## Confirm role behavior If roles or groups are mapped during JIT, test the default access level and any updates after a user's identity attributes change.

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