SAML Single Sign-On (SSO) For ASP.NET Web Applications Using ADFS As IDP

SAML Single Sign-On (SSO) For ASP.NET Web Applications Using ADFS As IDP


ASP.NET SAML SP Single Sign-On (SSO) module gives the ability to enable SAML Single Sign-On for your ASP.NET applications. Using Single Sign-On you can use only one password to access your ASP.NET application and services. Our module is compatible with all the SAML compliant Identity providers. Here we will go through a step-by-step guide to configure Single Sign-On (SSO) between ASP.NET and ADFS considering ADFS as IdP.

Download And Extract Package

  • Download miniOrange ASP.NET SAML 2.0 Module.
  • For Setting up the module, extract the asp-net-saml-sso-module-xxx.zip, you will find a DLL file miniorange-saml-sso.dll, a configuration file saml.config and a integration.md file which contain the steps for adding the module into your application.

Steps to configure ADFS Single Sign-On (SSO) Login into ASP.NET

1. Add module on DNN page

  • Add miniorange-saml-sso.dll in the bin folder (where your other DLL files exist) for your application.
  • Register miniorangesamlsso module in your application according to the provided steps in the integration.md file.
  • Add the provided configuration file saml.config in the root directory for your application.
  • After integration open browser and browse the module dashboard with URL below:
    • https://<your-application-base-url>?ssoaction=config
  • If it pops up the registration page or login page, you have successfully added the miniOrange saml sso module for your application.

  • asp.net saml sso ADFS : login page
  • Register or Login for configuring the module.

2. Configure ADFS as Identity Provider

  • First, search for ADFS Management application on your ADFS server.
  • asp.net saml sso ADFS : adfs server
  • In AD FS Management, select Relying Party Trust and click on Add Relying Party Trust.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - Add Relying Party Trust
  • Select Claims aware from the Relying Party Trust Wizard and click on Start button.
  •  Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - Claims Aware
miniorange img Select Data Source
  • In Select Data Source, select the data source for adding a relying party trust.

  • Navigate to Service Provider Metadata section from the ASP.NET SAML module and copy the Metadata URL.
  • Select Import data about the relying party published online or on the local network option and add the metadata URL in Federation metadata address.
  • Click on Next.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - support for the SAML 2.0 Wizard Metadata

    Note: In the next step enter the desired Display Name and click Next.

miniorange img Choose Access Control Policy
  • Select Permit everyone as an Access Control Policy and click on Next.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - for SAML 2.0 Wizard Multi-Factor
miniorange img Ready to Add Trust
  • In Ready to Add Trust click on Next and then Close.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - SAML 2.0 Wizard Edit Claim
miniorange img Edit Claim Issuance Policy
  • In the list of Relying Party Trust, select the application you created and click on Edit Claim Issuance Policy.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - SAML 2.0 Wizard Edit Claim
  • In Issuance Transform Rule tab click on Add Rule button.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - for SAML 2.0 Wizard Claim Rule
miniorange img Choose Rule Type
  • Select Send LDAP Attributes as Claims and click on Next.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - for SAML 2.0 Configure_LDAP Attributes
miniorange img Configure Claim Rule
  • Add a Claim Rule Name and select the Attribute Store as required from the dropdown.
  • Under Mapping of LDAP Attributes to outgoing claim types, Select LDAP Attribute as E-Mail-Addresses and Outgoing Claim Type as Name ID.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - for the SAML 2.0 Add Transform Claim Rule
  • Once you have configured the attributes, click on Finish.
  • After configuring ADFS as IDP, you will need the Federation Metadata to configure your Service Provider.
  • To get the ADFS Federation Metadata, you can use this URL
    https://< ADFS_Server_Name >/federationmetadata/2007-06/federationmetadata.xml
  • You have successfully configured ADFS as SAML IdP (Identity Provider) for achieving ADFS Single Sign-On (SSO) Login

Windows SSO (Optional)

Follow the steps below to configure Windows SSO

miniorange img Steps to configure ADFS for Windows Authentication
  • Open elevated Command Prompt on the ADFS Server and execute the following command on it:
    • miniorange img setspn -a HTTP/##ADFS Server FQDN## ##Domain Service Account##

      miniorange img FQDN is Fully Qualified Domain Name (Example : adfs4.example.com)

      miniorange img Domain Service Account is the username of the account in AD.

      miniorange img Example : setspn -a HTTP/adfs.example.com username/domain

  • Open AD FS Management Console, click on Services and go to the Authentication Methods section. On the right, click on Edit Primary Authentication Methods. Check Windows Authentication in Intranet zone.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - Primary Authentication Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - Management Application
  • Open Internet Explorer. Navigate to Security tab in Internet Options.
  • Add the FQDN of AD FS to the list of sites in Local Intranet and restart the browser.
  • Select Custom Level for the Security Zone. In the list of options, select Automatic Logon only in Intranet Zone.
  • Configure ADFS as IDP -SAML Single Sign-On(SSO) for WordPress - ADFS SSO Login - for the SAML 2.0 Wizard_Enable SAML
  • Open the powershell and execute following two commands to enable windows authentication in Chrome browser.
    • Set-AdfsProperties -WIASupportedUserAgents ((Get-ADFSProperties | Select -ExpandProperty WIASupportedUserAgents) + "Chrome")
      Get-AdfsProperties | Select -ExpandProperty WIASupportedUserAgents;
  • You have successfully configured ADFS for Windows Authentication.

3. Configure ASP.NET SAML Module as Service Provider

  • After configuring your Identity Provider, it will provide you with IDP Entity ID, IDP Single Sign On URL and x.509 Certificate. Configure these values under IDP Entity ID, Single Sign-On Url and SAML X509 Certificate fields respectively. (Refer to the Metadata provided by Identity Provider)
  • Click Save to Save your IDP details.
  • asp.net saml sso ADFS : idp settings

4: Test Configuration

  • Click on the Test Configuration button to test the configuration.
  • asp.net saml sso ADFS : test configuration settings

5: Attribute Mapping

  • After testing the configuration, Map your application attributes with the Identity Provider (IdP) attributes.
  • Note: All the mapped attributes will be stored in the session so that you can access them in your application.
  • asp.net saml sso ADFS : attribute mapping

6: Integration Code

  • You can also find the Integration code in the Integration Code tab in the module. Just copy-paste that code snippet wherever you want to access the user attributes.
  • Note: All the mapped attributes will be stored in the session so that you can access them in your application.
  • asp.net saml sso ADFS : integration code

7: Login Settings

  • Use the following URL as a link in your application from where you want to perform SSO:
  • https://<your-application-base-url>/?ssoaction=login
  • For example you can use it as:
  • <a href="https://<your-application-base-url>/?ssoaction=login">Login</a>

8: Logout Settings

  • Use the following URL as a link in your application from where you want to perform SLO:
  • https://<your-application-base-url>/?ssoaction=logout
  • For example you can use it as:
  • <a href="https://<your-application-base-url>/?ssoaction=logout">Logout</a>

You can configure the DotNetNuke SAML 2.0 Single Sign-On (SSO) module with any Identity Provider such as ADFS, Azure AD, Bitium, centrify, G Suite, JBoss Keycloak, Okta, OneLogin, Salesforce, AWS Cognito, OpenAM, Oracle, PingFederate, PingOne, RSA SecureID, Shibboleth-2, Shibboleth-3, SimpleSAML, WSO2 or even with your own custom identity provider.


If you are looking to Single Sign-On into your sites with any SAML compliant Identity Provider then we have a separate solution for that. We do provide SSO solutions for the following:

Application LINK
SAML SSO into DotNetNuke (DNN) site Click here
SAML SSO into SiteFinity site Click here
SAML SSO into Umbraco site Click here
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