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configure-auth

separate

Add authentication and authorization to a Blazor Web App, accounting for the app's render mode. USE WHEN the user needs [Authorize] on pages, AuthorizeView, role or policy-based access, login/logout Identity pages, or AuthenticationStateProvider. Also USE WHEN auth state is null after WebAssembly loads, SignInManager throws in an interactive component, NotAuthorized content never renders in static SSR, or HttpContext.User is null in an interactive component. DO NOT USE for general component authoring (see author-component), for prerendering concerns unrelated to auth (see support-prerendering), or for managing non-auth cascading state (see coordinate-components).

When to use

• adding [Authorize] on pages
• using AuthorizeView
• role or policy-based access
• login/logout Identity pages
• AuthenticationStateProvider
• fixing null auth state after WebAssembly loads
• fixing SignInManager throws in interactive components
• fixing NotAuthorized content not rendering in static SSR

When not to use

• general component authoring
• prerendering concerns unrelated to auth
• managing non-auth cascading state

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