Using one asp net membership database with multiple applications single sign on


ASP.NET is a popular programming used for web applications. One requirement in web development is the ability to use a single membership database for multiple applications, users to have a single sign-on (SSO) experience across these applications. In this article, we will explore how to achieve this using ASP.NET.

Setting up the Membership Database

The first step is to set up the membership database that will be shared across multiple applications. ASP.NET provides a built-in membership system that can be used for this purpose. To create the membership database, you can use the following code:

// Code to create the membership database

the Applications

Once the membership database is set up, you need to configure each application to use the same membership provider. This can be done by the web. file of each application. Here is an example of how to configure the membership provider:

// Code to configure the membership provider

Implementing Single Sign-On

With the membership database and application configuration in place, you can now the single sign-on functionality. This involves authenticating the user against the membership database and creating a shared authentication token that can be used across applications.

Here is an example of how to authenticate a user and create a shared authentication token:

// Code to authenticate the user and create a shared authentication token

Once the authentication token is created, it can be stored in a secure manner, such as in a cookie or a variable. This token can then be used to authenticate the user in other applications without requiring them to enter their credentials again.


Using a single ASP.NET membership database with multiple applications for single sign-on is a powerful feature that enhances the user experience and simplifies authentication across different applications. By following the outlined in this article, you can easily implement this functionality in your ASP.NET applications.

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