Azure ad sso login and standard login at asp net mvc


ASP.NET is a popular programming language used for building web applications. One common in web development is to implement both Azure AD SSO login and standard login functionality in an ASP.NET MVC application. In this article, we will explore how to achieve this using ASP.NET.

Azure AD SSO Login

Azure Active Directory (Azure AD) is a cloud-based identity and access management service provided by Microsoft. It allows users to sign in to various applications using their Azure AD credentials. Azure AD SSO login in an ASP.NET MVC application involves the following steps:

Step 1: Register the Application in Azure AD

To Azure AD SSO login, you need to register your application in Azure AD. This registration process involves providing details about your application, such as its name, URL, and permissions required. Once the registration is complete, you will receive a client ID and client secret, which will be used in the ASP.NET code.

Step 2: Configure Authentication in ASP.NET

Next, you need to configure authentication in your ASP.NET MVC application. This involves adding the necessary NuGet packages and modifying the web. file. You will also need to the client ID and client secret obtained from Azure AD during the registration process.

// ASP.NET code for  Azure AD authentication
    .AddAzureAD(options => Configuration.Bind("AzureAd", options));

Step 3: Implement Login Controller and Views

Now, you need to implement the login controller and views for Azure AD SSO login. The login controller will handle the authentication process and redirect the user to the Azure AD login page. Once the user is authenticated, they will be redirected back to your application with the necessary tokens.

// ASP.NET code for Azure AD SSO login controller
public  Login( returnUrl = "/")
    return Challenge(new AuthenticationProperties { RedirectUri = returnUrl });

Standard Login

In addition to Azure AD SSO login, you may also want to provide a standard login functionality using a username and password. This can be achieved by implementing a login form and handling the authentication process in your ASP.NET MVC application.

Step 1: Create Login Form

Create a login form in your ASP.NET MVC application where users can enter their username and password. This form should post the credentials to a login action in your controller.

Step 2: Implement Login Action

In the login action of your controller, validate the user's credentials against a database or any other authentication mechanism. If the credentials are valid, create an authentication cookie and redirect the user to the desired page.

// ASP.NET code for standard login action
public IActionResult Login(LoginViewModel model, string returnUrl = "/")
    if (ModelState.IsValid)
        // Validate user credentials
        if (IsValidUser(model.Username, model.Password))
            // Create authentication cookie
            var claims = new List
                new Claim(ClaimTypes.Name, model.Username)
            var identity = new ClaimsIdentity(claims, "ApplicationCookie");
            var principal = new ClaimsPrincipal(identity);
            HttpContext.SignInAsync("ApplicationCookie", principal);

            return Redirect(returnUrl);
            ModelState.AddModelError("", "Invalid username or password");

    return View(model);


In this article, we have explored how to implement both Azure AD SSO login and standard login functionality in an ASP.NET MVC application. By following the steps outlined above, you can provide users with the option to sign in using their Azure AD credentials or a standard username and password. This flexibility allows you to cater to a wider range of users and their authentication preferences.

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