
Single Sign-On sounds simple in theory.    

Add SAML, connect an identity provider, and users log in seamlessly. 

So why does SSO often become one of the most stressful parts of a production system once it goes live?

And why do so many .NET and Umbraco teams that start with Sustainsys.Saml2 eventually regret the decision?

Let’s break it down—how Sustainsys actually works in real-world environments, why issues begin to surface, and where the hidden costs truly come from.

## Why Sustainsys.Saml2 Looks Like the Perfect Choice at First? {#why-sustainsys-saml2-looks-like-the-perfect-choice-at-first}

If you’re building a .NET or Umbraco application, Sustainsys.Saml2 is usually the first name you hear.

On paper, it checks all the right boxes:

- It’s open source
- It’s widely referenced
- There’s no license fee

So the obvious question becomes:

**Why pay for SAML when a free option already exists?**

The answer only becomes clear after implementation begins. 

## How Sustainsys.Saml2 Actually Works in Real Projects? {#how-sustainsys-saml2-actually-works-in-real-projects}

Sustainsys.Saml2 is not a full SSO product. It’s a **developer-focused SAML library**, and that distinction matters.

It provides the core SAML building blocks, but everything else is your responsibility:

- Configuration management
- Security hardening
- Certificate handling
- Error handling 
- Logging and monitoring
- Ongoing maintenance

At the start, this feels manageable. But production environments rarely stay simple for long.

## Why Do Problems Start Appearing After Go-Live? {#why-do-problems-start-appearing-after-go-live} 

Ask any team running Sustainsys in production and the same questions keep coming up: 

- What happens when an IdP sends claims in an unexpected format? 
- What happens when a certificate expires without warning?  
- What happens when a customer wants a non-standard SAML configuration?   

With Sustainsys, there is:

- No personalized support
- No guaranteed response time
- No dedicated engineer to analyze logs
- No accountability when authentication breaks

Teams often end up:

- Digging through GitHub issues
- Searching community forums
- Manually decoding SAML assertions

At this point, “free” starts costing days, or even weeks, of engineering time.

## How Does Configuration Become a Bottleneck? {#how-does-configuration-become-a-bottleneck}

Sustainsys relies heavily on: 

- Manual configuration files. 
- XML metadata handling. 
- Code-level changes. 

Every new identity provider, certificate rotation, or environment change usually requires developer involvement—and often a redeploy.

Why does this matter?

Because in modern organizations, SSO is rarely managed only by developers.

- IT teams
- Security teams
- Operations teams

All need to interact with authentication settings. Sustainsys simply isn’t built for that audience.

## Why Does Admin-First SSO Matter Today? {#why-does-admin-first-sso-matter-today}

This is where commercial solutions like [miniOrange .NET SAML SSO](https://plugins.miniorange.com/asp-net-saml-single-sign-on-sso) and [Umbraco SAML SSO](https://plugins.miniorange.com/umbraco-single-sign-on-sso) change the experience completely.

Instead of editing config files or touching code:

- Identity providers are configured through a dashboard
- Metadata is uploaded visually
- Attributes and roles are mapped via UI
- SSO flows are tested in real time

What takes hours—or days—with Sustainsys can often be done in minutes.

## How Does Scaling Turn SAML into Technical Debt? {#how-does-scaling-turn-saml-into-technical-debt}

As applications grow, SSO requirements almost always expand:

- Multiple identity providers
- Role mapping and attribute transformations
- Detailed authentication logs and reports
- Stronger security visibility

With Sustainsys, these aren’t configurations—they’re **custom code**.

And custom SAML code comes with a cost:

- It must be maintained
- It must be tested
- It must be revalidated with every .NET or Umbraco upgrade

Over time, SSO becomes one of the most fragile parts of the system—something teams hesitate to touch because a small change can break authentication entirely.

## Why Is Maintenance the Real Long-Term Cost? {#why-is-maintenance-the-real-long-term-cost}

Open-source projects move at the pace of community momentum—not enterprise timelines. That often means:

- No guaranteed fixes
- No planned security updates
- No assured compatibility with newer frameworks

With a commercial SAML solution like miniOrange:

- Security is actively monitored
- Updates are planned and supported
- Compatibility with newer .NET and Umbraco versions is part of the product, not an afterthought

For organizations that treat authentication as a critical security layer, this difference is huge.

## How Do Non-Developers Get Locked Out with Sustainsys? {#how-do-non-developers-get-locked-out-with-sustainsys}

Here’s a hidden issue many teams overlook.

Not everyone responsible for SSO is a developer.

IT admins, support engineers, and system integrators often need to: 

- Configure identity providers
- Troubleshoot login failures
- Rotate certificates

Sustainsys assumes deep technical expertise, creating dependency on a small group of engineers—and turning simple changes into delays.

miniOrange solves this with an **admin-first design**, enabling non-technical teams to manage SSO confidently and independently.

## What Is the Biggest Cost Nobody Budgets For? {#what-is-the-biggest-cost-nobody-budgets-for}

The real hidden cost of Sustainsys.Saml2 isn’t money. It’s **opportunity cost**.

Every hour spent:

- Debugging SAML flows
- Managing certificates manually
- Maintaining fragile custom logic

Is an hour not spent improving your product or serving your customers.

## So, When Does Sustainsys Make Sense, and When Doesn’t It? {#when-does-sustainsys-make-sense}

Sustainsys.Saml2 is a solid open-source library.

It can work well for:

- Small, internal projects
- Teams with deep SAML expertise  

But for **production-grade, customer-facing, or enterprise .NET and Umbraco applications**, the trade-offs become hard to ignore.

## Why Do Teams Choose miniOrange Instead? {#why-do-teams-choose-miniorange-instead}

miniOrange .NET SAML SSO and Umbraco SAML SSO don’t just offer SAML compliance. 

They deliver real-world value:  

- Faster implementation
- Lower operational overhead
- Better security visibility
- Easier administration
- Real support when things go wrong 

In real-world software delivery, those benefits are often worth far more than a “free” license. 




Learn why Sustainsys.Saml2, while popular for SAML integration, can introduce long-term complexity in production .NET and Umbraco applications, from configuration challenges to ongoing maintenance costs.

Why Sustainsys.Saml2 Often Becomes the Most Expensive Choice?

## Why Integrate Active Directory with .NET? {#Integrate Active Directory with .NET}

Managing users and access across multiple applications can get difficult, especially when you're dealing with hundreds of users. As more companies shift to remote or hybrid work and rely heavily on cloud apps, the challenge of keeping everything secure only grows. In fact, a 2024 Gartner report found that over 70% of identity-related breaches happen because of weak access control or poor credential management.
 
 
That’s where .NET Active Directory Integration becomes critical. It centralizes identity control and enforces uniform security policies across applications.
 
 
In this blog, we’ll break down exactly how AD Sync with .NET works, why it’s a smart move for your business, and how miniOrange simplifies the entire process—secure, scalable, and built for modern enterprise needs.

## What is AD Sync with .NET? {#AD Sync with .NET}

AD Sync with .NET is the process of synchronizing users and groups from Microsoft Active Directory—whether it’s traditional on-prem or Azure AD—into your .NET applications.
 
 
This integration enables powerful functionality like centralized login, dynamic access control, and .NET user provisioning directly from your AD environment.
 
 
.NET applications built on frameworks like ASP.NET MVC, WebForms, or .NET 6/7 can all benefit from this seamless sync. Whenever user details are updated or new users are onboarded, your applications stay in sync in real time—reducing overhead, improving security, and ensuring policy enforcement.
 
 
This eliminates the need for redundant identity databases or manual updates, keeping your apps secure and up to date.

## Key Benefits of Active Directory Integration with .NET {#Benefits of Active Directory Integration with .NET} 

### 1. Automated User Provisioning

Simplify user onboarding with automated .NET user provisioning. As soon as users are added to AD, their profiles are instantly created within your .NET apps.

### 2. Real-time Attribute Updates

Changes to user attributes in AD, like job title, department, or phone number, are reflected in your .NET apps in real time. This ensures data consistency across systems and avoids miscommunication or delays due to outdated information.
 
Synchronize changes like department, job title, or contact info from AD to your .NET apps instantly with Azure AD Sync .NET capabilities.

### 3. Single Source of Truth

By integrating your application directly with Active Directory, you establish AD as the definitive identity provider. Your .NET applications rely on this central store for the most up-to-date and secure user data.

### 4. Improved Security and Compliance

Centralized identity management helps enforce consistent access control and audit logging. With AD integration, you can track login activity, control who accesses what, and stay compliant with regulations like GDPR, HIPAA, and SOX.

### 5. Reduced Administrative Overhead

Manual account management is time-consuming and prone to human error. With AD sync, tasks like onboarding new employees, updating access levels, assigning roles, and offboarding are fully automated.

## Use Cases for AD Integration with .NET {#Use Case} 

### 1. Centralized User Authentication

Allow users to log in to .NET apps using their existing AD credentials.
 
Example:
 
An enterprise HR portal built with ASP.NET Core allows employees to log in using their Windows accounts. This simplifies login, reduces password-related helpdesk calls, and ensures strong authentication across the company.

### 2. Automated User Provisioning and Deprovisioning

User accounts in .NET apps are automatically created or disabled based on AD status.
 
Example:
 
A new employee added in AD is instantly provisioned in the company’s internal dashboard. When someone leaves, disabling their AD account also revokes access to all apps, minimizing the risk of unauthorized access.

### 3. Role-Based Access Control via AD Groups

Assign access rights in .NET apps based on AD group memberships.
 
Example:
 
Users in the "Marketing" AD group are automatically granted access to campaign tools, while those in "Finance" can view budget reports. These permissions are centrally managed in AD.

### 4. User Account Management from the Application

Admin users in .NET apps can create or update AD accounts via a user-friendly interface.
 
Example:
 
An ASP.NET-based IT portal lets HR staff onboard new hires by entering their details into a form. This automatically creates the user in AD, assigns them to groups, and sends a welcome email, all without opening AD.

### 5. Password Management and Reset

Provide a self-service portal for users to reset or change their AD passwords.
 
Example:
 
A user forgets their password before an important call. Instead of calling IT, they visit a .NET portal, verify via OTP, and reset their AD password securely in minutes. Integration with Azure AD Sync .NET adds another layer of protection. 

## How LDAP Integration Works in .NET {#LDAP Integration} 

LDAP Integration enables your .NET applications to securely interact with on-premise Active Directory environments. Using LDAP, your .NET app can authenticate users, pull attribute data, and manage group memberships.
 
 
Whether you're building a legacy .NET Framework app or a modern .NET Core solution, LDAP lets you implement custom login flows, dynamic access logic, and attribute-based provisioning directly within your codebase.

## Why Businesses Use miniOrange AD Sync {#AD Sync} 

Our AD Sync solution isn’t just plug-and-play—it’s built to scale with your needs. Whether you're managing one app or an entire suite of internal tools, miniOrange gives you all the power you need with the flexibility to customize everything.

### 1. Easy AD Connectivity

Connecting your .NET apps to AD shouldn’t be complicated—and with miniOrange, it isn’t. We support both LDAP/LDAPS for traditional on-prem setups and Microsoft Graph for Azure AD. Got multiple AD domains or Azure tenants? No problem—we support that too. You can configure everything easily using Dependency Injection (DI) or just drop in a simple JSON file.

### 2. Smooth Authentication

Let your users log in with the credentials they already use. With centralized authentication, you’re giving them one less password to remember and reducing IT support tickets in the process. It’s a win-win.

### 3. Real-Time User & Group Sync

No more outdated user info or access issues. miniOrange keeps your app in sync with Active Directory in real-time. We even use smart methods like USNChanged and deltaLink to only sync what’s changed, which keeps things fast and efficient. You can run the sync on-demand or schedule it to run at regular intervals.

### 4. Custom Mapping Made Simple

Need to map AD groups to roles in your app? Want to control how user data flows into your system? With our IUserMapper and IGroupMapper interfaces, you can fine-tune exactly how everything behaves. It’s perfect for teams with complex workflows or custom permissions.

### 5. Flexible Data Storage & Logging

Whether you want to store user data in a database, memory, or your own custom store, we’ve got you covered. Use our IUserStore implementation for full control. We also plug into .NET’s built-in logging system, so you can monitor sync events like starts, completions, or failures in real time.

### 6. Security You Can Trust

All communication between your app and AD is encrypted using LDAPS or HTTPS, so sensitive data stays safe. Plus, our logs are PII-safe, which means personal data is never exposed in plain text.

## Conclusion {#Conclusion} 

Managing users across multiple applications doesn’t have to be messy. With miniOrange AD Sync with .NET, you get a reliable, scalable identity solution that simplifies .NET user provisioning, reduces IT workload, and enforces strong access controls.
 
 
Whether you’re implementing Azure AD Sync in .NET, integrating with legacy LDAP setups, or rolling out AD Integration with .NET apps across departments, miniOrange gives you everything you need to secure and streamline identity management.
 
 
Ready to transform your .NET identity infrastructure?

[Connect with us](https://miniorange.com/contact) to learn how miniOrange AD Sync can make your business smarter, faster, and more secure.

## FAQs {#FAQs} 


Q1: Can I integrate miniOrange with Azure AD only?
 
Yes, miniOrange supports both on-premise AD and Azure AD, using LDAP and Microsoft Graph respectively.
 
 

Q2: What if my .NET application runs on .NET 7?
 
miniOrange is compatible with .NET Framework, .NET Core, and modern .NET 5/6/7 applications.
 
 

Q3: How is user data protected during sync?
 
All communication is encrypted via LDAPS or HTTPS. Logs are anonymized to avoid exposing PII.
 
 

Q4: Can I customize sync intervals?
 
Yes. Whether you need on-demand or scheduled syncs, our Azure AD Sync .NET system is fully configurable.
 
 

Q5: Do you support multi-tenant AD environments?
 
Yes, miniOrange supports integration with multiple AD domains and Azure AD tenants.

Discover how integrating Microsoft Active Directory with your .NET applications can transform your identity management process. From user authentication to real-time provisioning, role-based access, and self-service password reset, this guide walks you through everything you need to know about AD Sync with .NET, complete with real-world examples and best practices.

Active Directory (AD) Integration with .NET


## Why Use SAML SSO in Decoupled .NET Applications? {#Why Use SAML SSO in Decoupled .NET Applications?}

**Centralized Authentication**

Eliminate multiple logins—authenticate once and access all connected apps securely without additional credentials.

**Cross-Platform Compatibility**

Seamless integration with ASP.NET, ASP.NET Core, and microservices-based .NET applications.

**Tailored for Decoupled Apps**

Use our plugins to integrate SAML SSO into your decoupled .NET apps effortlessly.

**Compliance & Security**

Built on SAML 2.0 standards, ensuring encrypted communication and enterprise-grade security.

## How SAML SSO Works for Decoupled .NET Applications (Frontend + Backend) {#How SAML SSO Works for Decoupled .NET Applications}

A decoupled .NET application consists of independent apps (API, front-end, back-end) that need a unified authentication mechanism. Here’s how miniOrange makes it work:


 ![Working of Decoupled .NET Architecture](/blog/assets/2025/asp-net-decoupled-architecture.webp)

 **1. User Starts Login**

 When **User A** visits your frontend app, the app checks if the user is already logged in. If not, it starts the SSO process.

 **2. Frontend Redirects to Backend**

 The frontend passes the login request to the .NET backend to handle authentication.

 **3. Backend Sends SAML Request to Identity Provider (IdP)**

 The backend sends a SAML request to the Identity Provider (IdP) (like Azure AD, Okta, etc.) to ask for user authentication.

 **4. IdP Authenticates the User**

 The IdP checks the user's credentials. If everything is valid, it sends back a SAML response confirming the user's identity.

 **5. Backend Logs the User In**

 The backend reads the SAML response, logs in the user, and sets a claims cookie. Then it redirects the user back to the frontend.

 **6. Frontend Asks for a Token**

 After being redirected, the frontend sends a request to the backend to get a JWT token (a secure login token).

 **7. Backend Sends the JWT Token**

 The backend checks the request and sends a signed JWT token back to the frontend. The frontend now uses this token to make secure API calls.

 ## Use Case: SAML SSO for Angular, Vue.js & React Frontends with .NET Backend

 **Scenario:**

 Organizations are increasingly adopting decoupled apps, using modern frontends like Angular, Vue.js, or React that communicate with a centralized ASP.NET (.NET Core/Web API) backend. While this setup offers flexibility and scalability, it presents a challenge when implementing SAML Single Sign-On (SSO).

 **Challenge:**

 **SAML Incompatibility with Modern Frontends:**

 SAML depends on browser-based redirects, which don’t play well with frontend   frameworks like React, Angular, or Vue. 

 **Disjointed Authentication Experience:**

 The absence of a centralized login system leads to inconsistent user experiences and adds complexity and time to the development process.

**Unauthorized API Access:**

Unable to allow only authenticated users to access your .NET APIs. Implementing JWT could help prevent unauthorized data exposure.

**Lack of Role-Based Access:**

User roles (e.g., admin, viewer) needed to be enforced at the backend, keeping them hidden from the frontend and reducing security risks.

**No Frontend Code Modifications:**

The organization prefers not to alter frontend code—whether due to the risk of introducing bugs or the complexity of deployment pipelines.

**Solution:**

**Backend-Handled SAML Authentication:**

By introducing a .NET-based SAML Identity Broker, all SAML requests and responses are handled at the backend.

**Multi-IdP Support:**

With support for multiple Identity Providers like Azure AD, Okta, ADFS, and Google Workspace, organizations can centralize authentication across different systems.

**Secure Token Exchange + API Access:**

After successful SAML authentication, the backend issues a JWT or session token. Frontend apps use this token to make secure API calls, ensuring only authenticated users can access your .NET APIs.

**Role & Attribute Mapping:**

The backend fetches user roles and attributes (like email, department, and permissions) from the IdP and applies RBAC policies. This keeps role enforcement off the frontend, improving security.

**Outcome:**

By implementing the miniOrange SAML SSO solution for decoupled frontend-backend apps, organizations benefit in the following key ways:

**Centralized & Secure Authentication:**

Centralized SAML authentication ensures secure login, better control, and prevents token mishandling on the client side.

**Better User Experience Across Frontends:** 

Users on Angular, Vue.js, or React apps experience smooth, SSO-based login flows without redirects breaking the UI or interrupting sessions.

**Efficient Token-Based API Communication:**

 Post-authentication, JWT tokens are issued by the backend, enabling frontend apps to securely call APIs. 

**Granular Access Control with RBAC:**  

Fine-grained authorization logic that can enforce access restrictions at both the API and feature levels—without exposing role logic in the frontend.

**Support for Multiple Identity Providers:** 

miniOrange SAML SSO integrates with any SAML-compliant IdP—allowing organizations to manage multiple login sources from a single backend integration point.

## Why Choose miniOrange for SAML SSO in Decoupled .NET Apps? {#Why Choose miniOrange for SAML SSO in Decoupled .NET Apps?}

**Seamless Integration with .NET Backend**

Works with ASP.NET Core, Web API, and microservices. Ensure smooth and secure communication between .NET apps.

**Secure Token-Based Authentication**

Ensures safe API access using industry-standard JWTs. Prevent unauthorized access and maintain data integrity.

**Supports Multiple IdPs**

Authenticate your users using a variety of Identity Providers (IdPs) such as Okta, Azure AD, ADFS, Google Workspace, and more.

**Flexible Role & Attribute Mapping**

Go beyond basic authentication with custom role and attribute mapping. 

&nbsp;

## Resources {#more resources}
- [What is Single Sign-On (SSO)?](https://www.miniorange.com/products/single-sign-on-sso)
- [What is ASP.NET SAML Single Sign-On (SSO)?](https://plugins.miniorange.com/asp-net-saml-single-sign-on-sso)
- [Steps to Configure the ASP.NET SAML 2.0 Module](https://plugins.miniorange.com/asp-dot-net-saml-2-0-single-sign-sso-connector)
- [Setup Steps for ASP.NET SAML SSO Module](https://plugins.miniorange.com/asp-net-saml-sso-setup-guides)


Simplify Authentication Across Your .NET Applications.Eliminate repeated logins with SAML Single Sign-On (SSO) built for decoupled .NET apps. Let users log in once and securely access all your applications—streamlining access while ensuring enterprise-grade security and a seamless user experience.

Secure Your Decoupled .NET Apps with SAML SSO


### How to use Single Sign-On for your ASP.NET MVC application? {#how to use single-sign-on for ASP.NET MVC application}

There may come a time when you need to implement [Single Sign-On onto your ASP.NET MVC application](https://plugins.miniorange.com/asp-net-saml-single-sign-on-sso). It allows you to integrate your app with other systems and helps them work together as if they are one unified application.

Some of the benefits of doing this are an improved user experience, increased security, and reduction in costs. Users will be able to seamlessly access pages on any of these applications or systems after signing in only once.

Or, if you want to migrate your application, rather than having to rewrite it entirely, you can migrate it one service at a time. Implementing SSO between the two applications helps you effectively link them together as if they were one, after which you can migrate your app with ease. There are even more advantages discussed later in this article.

To understand how you can implement [ASP.NET MVC Single Sign On](https://plugins.miniorange.com/asp-net-saml-single-sign-on-sso), let us first understand what its components mean.

### What is ASP.NET MVC? {#what is ASP.NET MVC}

ASP.NET MVC is composed of two parts: ASP.NET and MVC. The first is an open-source web application framework that can be used to produce dynamic web pages, applications, and services. The second is MVC, which stands for Model View Controller. It is an architectural pattern that is meant to achieve separation of concerns. 

Together, they form a web application framework that eliminates the drawbacks of web forms like slow response times, issues in unit testing, and HTML customization.

Designing your application using the ASP.NET MVC framework allows you to benefit from both its components’ advantages. However, you still need to make it easier for users to sign in to your application and avail of its services in a hassle-free manner. Let’s see how we can do that.

 ### What is SSO? {#what is SSO}

 When a user wants to access secured services on your application, they have to enter their username and password once to authenticate themselves. In a situation where they want to access similar services over multiple applications connected or related to each other, they would be required to enter either the same or different usernames and passwords multiple times.

 ![what-is-single-sign-on-and-how-sso-works-4](/blog/assets/2023/what-is-single-sign-on-and-how-sso-works-4.webp)

 Single Sign-On (SSO) makes this process easier by using the same authentication ID and authorizing the user across multiple services. Because of SSO, as the name suggests, the user is required to sign in only once in a certain time window before the authentication token expires.

 ### What are the types of SSO protocols? {#what are the types of SSO protocols}

 For SSO to work, Service Providers (SP) and Identity Providers (IDP) must decide on an open standard protocol for how they will choose to exchange identity and authentication information with one another over the relevant applications.

 Here are a few examples of these protocols: 

 **OAuth**: This is an open standard for token-based authentication and authorization, which is used to provide Single Sign-On (SSO). It allows an end user’s account information to be used by third-party services without exposing the user’s password. It serves as an intermediary on behalf of the end-user, providing the service with an access token that authorizes specific account information to be shared.

 **OpenID**: This is one of the most popular authentication protocols, used by the likes of Google and Facebook. It is open standard and decentralized. Third-party Identity Providers (IdP) are used to authenticate users to Relying Parties (RP). It serves as an identity layer on top of OAuth, thereby functioning as an extension to it.

 **SAML**: SAML uses session cookies in a browser that allows a user to access certain pages. It gives more control to enterprises to keep their SSO logins more secure. You can find a detailed explanation of SAML below.


### Let’s take an in-depth look at SAML {#in-depth look at SAML}

SAML stands for Security Assertion Markup Language. Its main purpose in online security is to enable you to access multiple web applications using one set of credentials. It works by passing authenticated credentials between two parties: an Identity Provider (IDP) and a Service Provider (SP). Doing so makes the user experience simpler while also providing better security.

 ![saml-diagram-2](/blog/assets/2023/saml-diagram-2.webp)

 ### Where can we use SAML SSO? {#where can we use SAML SSO}

The primary attribute of SAML is that it is used for authentication, not authorization. This means that a variety of applications, websites, and services that could be used to access and edit data from the service provider need to form a trusted relationship with the SSO website.


Now, when a user tries to access data from the service provider’s app, they’ll need to be authenticated at least once by entering a username and password before they can read or write onto this data. If, however, they have already done this once, then they will be granted access more directly. A SAML request will be generated by the application, asking to authenticate the user, to which the identity provider will respond with a SAML response.


This is particularly useful in situations where the service provider is offering their services across a wide range of applications. It inadvertently also increases the scope of the product by allowing a variety of third-party applications to offer their unique services using the same data.

For example:
- Data-driven statistics websites and applications for online multiplayer games.
- Social media applications and bulletin boards designed around the same topic.
- Online video streaming services with features for viewer engagement.
- Online software marketplaces like Steam that offer user analytics and metadata.

### What are the benefits of using ASP.NET MVC Single Sign On? {#benefits of using ASP.NET MVC Single Sign On}

**Shorter development time**: Using ASP.NET MVC Single Sign-On reduces development time by providing developers with a common authentication framework. It takes even more load off of them if the mechanism is independent.

**Reduction in costs**: Besides the fact that development time is reduced, support requests for forgotten passwords and IT help desk calls also go down, thereby lowering the overall costs.

**Increased security**: An important benefit of SSO is that it reduces the chance of users falling prey to phishing attacks. This is because the user is not trained to mindlessly enter their username and password everywhere. Furthermore, SSO systems usually force users to use secure communication channels. This means that only one place of authentication receives their credentials. The applications, however, don’t receive any specific information besides whether they should let the user in or not. This happens only once, resulting in a minimum transfer of sensitive information, which is naturally favorable.

**Streamlined administration**: The burden on the administrative system to manage user accounts is massively reduced with the implementation of SSO. Keep note, however, that SSO only takes care of authentication. The authorization of users based on their access privileges still needs to be set up separately.

**Improved user experience**: With ASP.NET MVC Single Sign On enabled, users don’t have to enter their usernames and passwords multiple times to access the same service across multiple applications and browsers.

### Additional Sources: {#Additional sources}
- [What is Single Sign-On (SSO)?](https://www.miniorange.com/products/single-sign-on-sso)
- [What is ASP.NET SAML Single Sign-On (SSO)?](https://plugins.miniorange.com/asp-net-saml-single-sign-on-sso)
- [Steps to Configure the ASP.NET SAML 2.0 Module](https://plugins.miniorange.com/asp-dot-net-saml-2-0-single-sign-sso-connector#steps)
- [Setup Steps for ASP.NET SAML SSO Module](https://plugins.miniorange.com/asp-net-saml-sso-setup-guides)





How to use Single Sign-On for your ASP.NET MVC application?

ASP Net

Why Sustainsys.Saml2 Often Becomes the Most Expensive Choice?

Active Directory (AD) Integration with .NET

Secure Your Decoupled .NET Apps with SAML SSO

How to use Single Sign-On for your ASP.NET MVC application?