ITs Amazing IT Technical Support : Set up the lab environment for AD FS in Windows Server 2012 R2

Wednesday, December 26, 2018

Set up the lab environment for AD FS in Windows Server 2012 R2

Applies To: Windows Server 2012 R2

This topic outlines the steps to configure a test environment that can be used to complete the walkthroughs in the following walkthrough guides:

Note

We do not recommend that you install the web server and the federation server on the same computer.

To set up this test environment, complete the following steps:

Step 1: Configure the domain controller (DC1)

For the purposes of this test environment, you can call your root Active Directory domain contoso.com and specify **pass@word1** as the administrator password.

Install the AD DS role service and install Active Directory Domain Services (AD DS) to make your computer a domain controller in Windows Server 2012 R2. This action upgrades your AD DS schema as part of the domain controller creation. For more information and step-by-step instructions, see http://technet.microsoft.com/ library/hh472162.aspx.

Create test Active Directory accounts

After your domain controller is functional, you can create a test group and test user accounts in this domain and add the user account to the group account. You use these accounts to complete the walkthroughs in the walkthrough guides that are referenced earlier in this topic.
Create the following accounts:

User: Robert Hatley with the following credentials: User name: RobertH and password: **P@ssword**
Group: Finance

For information about how to create user and group accounts in Active Directory (AD), see http://technet.microsoft.com/library/cc783323%28v=ws.10%29.aspx.
Add the Robert Hatley account to the Finance group. For information on how to add a user to a group in Active Directory, see http://technet.microsoft.com/library/cc737130%28v=ws.10%29.aspx.

Create a GMSA account

The group Managed Service Account (GMSA) account is required during the Active Directory Federation Services (AD FS) installation and configuration.

To create a GMSA account

Open a Windows PowerShell command window and type:

Add-KdsRootKey –EffectiveTime (Get-Date).AddHours(-10)
New-ADServiceAccount FsGmsa -DNSHostName adfs1.contoso.com -ServicePrincipalNames http/adfs1.contoso.com

Step 2: Configure the federation server (ADFS1) by using Device Registration Service

To set up another virtual machine, install Windows Server 2012 R2 and connect it to the domain contoso.com. Set up the computer after you have joined it to the domain, and then proceed to install and configure the AD FS role.
For a video, see Active Directory Federation Services How-To Video Series: Installing an AD FS Server Farm.

Install a server SSL certificate

You must install a server Secure Socket Layer (SSL) certificate on the ADFS1 server in the local computer store. The certificate MUST have the following attributes:

Subject Name (CN): adfs1.contoso.com
Subject Alternative Name (DNS): adfs1.contoso.com
Subject Alternative Name (DNS): enterpriseregistration.contoso.com

For more information about setting up SSL certificates, see Configure SSL/TLS on a Web site in the domain with an Enterprise CA.
Active Directory Federation Services How-To Video Series: Updating Certificates.

Install the AD FS server role

To install the Federation Service role service

Log on to the server by using the domain administrator account administrator@contoso.com.
Start Server Manager. To start Server Manager, click Server Manager on the Windows Start screen, or click Server Manager on the Windows taskbar on the Windows desktop. On the Quick Start tab of the Welcome tile on the Dashboard page, click Add roles and features. Alternatively, you can click Add Roles and Features on the Manage menu.
On the Before you begin page, click Next.
On the Select installation type page, click Role-based or feature-based installation, and then click Next.
On the Select destination server page, click Select a server from the server pool, verify that the target computer is selected, and then click Next.
On the Select server roles page, click Active Directory Federation Services, and then click Next.
On the Select features page, click Next.
On the Active Directory Federation Service (AD FS) page, click Next.
After you verify the information on the Confirm installation selections page, select the Restart the destination server automatically if required check box, and then click Install.
On the Installation progress page, verify that everything installed correctly, and then click Close.

Configure the federation server

The next step is to configure the federation server.

To configure the federation server

On the Server Manager Dashboard page, click the Notifications flag, and then click Configure the federation service on the server.
The Active Directory Federation Service Configuration Wizard opens.
On the Welcome page, select Create the first federation server in a federation server farm, and then click Next.
On the Connect to AD DS page, specify an account with domain administrator rights for the contoso.com Active Directory domain that this computer is joined to, and then click Next.
On the Specify Service Properties page, do the following, and then click Next:
- Import the SSL certificate that you have obtained earlier. This certificate is the required service authentication certificate. Browse to the location of your SSL certificate.
- To provide a name for your federation service, type adfs1.contoso.com. This value is the same value that you provided when you enrolled an SSL certificate in Active Directory Certificate Services (AD CS).
- To provide a display name for your federation service, type Contoso Corporation.
On the Specify Service Account page, select Use an existing domain user account or group Managed Service Account, and then specify the GMSA account fsgmsa that you created when you created the domain controller.
On the Specify Configuration Database page, select Create a database on this server using Windows Internal Database, and then click Next.
On the Review Options page, verify your configuration selections, and then click Next.
On the Pre-requisite Checks page, verify that all prerequisite checks were successfully completed, and then click Configure.
On the Results page, review the results, check whether the configuration has completed successfully, and then click Next steps required for completing your federation service deployment.

Configure Device Registration Service

The next step is to configure Device Registration Service on the ADFS1 server. For a video, see Active Directory Federation Services How-To Video Series: Enabling the Device Registration Service.

To configure Device Registration Service for Windows Server 2012 RTM

Important
The following step applies to the Windows Server 2012 R2 RTM build.
Open a Windows PowerShell command window and type:

  Initialize-ADDeviceRegistration

When you are prompted for a service account, type contoso\fsgmsa$.
Now run the Windows PowerShell cmdlet.

```
  Enable-AdfsDeviceRegistration
```
On the ADFS1 server, in the AD FS Management console, navigate to Authentication Policies. Select Edit Global Primary Authentication. Select the check box next to Enable Device Authentication, and then click OK.

Add Host (A) and Alias (CNAME) Resource Records to DNS

On DC1, you must ensure that the following Domain Name System (DNS) records are created for Device Registration Service.

Entry	Type	Address
adfs1	Host (A)	IP address of the AD FS server
enterpriseregistration	Alias (CNAME)	adfs1.contoso.com

You can use the following procedure to add a host (A) resource record to corporate DNS name servers for the federation server and Device Registration Service.
Membership in the Administrators group or an equivalent is the minimum requirement to complete this procedure. Review details about using the appropriate accounts and group memberships in the HYPERLINK "http://go.microsoft.com/fwlink/?LinkId=83477" Local and Domain Default Groups (http://go.microsoft.com/fwlink/p/?LinkId=83477).

To add a host (A) and alias (CNAME) resource records to DNS for your federation server

On DC1, from Server Manager, on the Tools menu, click DNS to open the DNS snap-in.
In the console tree, expand DC1, expand Forward Lookup Zones, right-click contoso.com, and then click New Host (A or AAAA).
In Name, type the name you want to use for your AD FS farm. For this walkthrough, type adfs1.
In IP address, type the IP address of the ADFS1 server. Click Add Host.
Right-click contoso.com, and then click New Alias (CNAME).
In the New Resource Record dialog box, type enterpriseregistration in the Alias name box.
In the Fully Qualified Domain Name (FQDN) of the target host box, type adfs1.contoso.com, and then click OK.

Important
In a real-world deployment, if your company has multiple user principal name (UPN) suffixes, you must create multiple CNAME records, one for each of those UPN suffixes in DNS.

Step 3: Configure the web server (WebServ1) and a sample claims-based application

Set up a virtual machine (WebServ1) by installing the Windows Server 2012 R2 operating system and connect it to the domain contoso.com. After it is joined to the domain, you can proceed to install and configure the Web Server role.
To complete the walkthroughs that were referenced earlier in this topic, you must have a sample application that is secured by your federation server (ADFS1).
You can download Windows Identity Foundation SDK (http://www.microsoft.com/download/details.aspx?id=4451, which includes a sample claims-based application.
You must complete the following steps to set up a web server with this sample claims-based application.

Note

These steps have been tested on a web server that runs the Windows Server 2012 R2 operating system.

Install the Web Server role and Windows Identity Foundation

Note
You must have access to the Windows Server 2012 R2 installation media.
Log on to WebServ1 by using **administrator@contoso.com** and the password **pass@word1**.
From Server Manager, on the Quick Start tab of the Welcome tile on the Dashboard page, click Add roles and features. Alternatively, you can click Add Roles and Features on the Manage menu.
On the Before you begin page, click Next.
On the Select installation type page, click Role-based or feature-based installation, and then click Next.
On the Select destination server page, click Select a server from the server pool, verify that the target computer is selected, and then click Next.
On the Select server roles page, select the check box next to Web Server (IIS), click Add Features, and then click Next.
On the Select features page, select Windows Identity Foundation 3.5, and then click Next.
On the Web Server Role (IIS) page, click Next.
On the Select role services page, select and expand Application Development. Select ASP.NET 3.5, click Add Features, and then click Next.
On the Confirm installation selections page, click Specify an alternate source path. Enter the path to the Sxs directory that is located in the Windows Server 2012 R2 installation media. For example D:\Sources\Sxs. Click OK, and then click Install.

Install Windows Identity Foundation SDK

Run WindowsIdentityFoundation-SDK-3.5.msi to install Windows Identity Foundation SDK 3.5 (http://www.microsoft.com/download/details.aspx?id=4451). Choose all of the default options.

Configure the simple claims app in IIS

Install a valid SSL certificate in the computer certificate store. The certificate should contain the name of your web server, webserv1.contoso.com.
Copy the contents of C:\Program Files (x86)\Windows Identity Foundation SDK\v3.5\Samples\Quick Start\Web Application\PassiveRedirectBasedClaimsAwareWebApp to C:\Inetpub\Claimapp.
Edit the Default.aspx.cs file so that no claim filtering takes place. This step is performed to ensure that the sample application displays all the claims that are issued by the federation server. Do the following:
1. Open Default.aspx.cs in a text editor.
2. Search the file for the second instance of ExpectedClaims.
3. Comment out the entire IF statement and its braces. Indicate comments by typing “//” (without the quotes) at the beginning of a line.
4. Your FOREACH statement should now look like this code example.

Foreach (claim claim in claimsIdentity.Claims)
{
   //Before showing the claims validate that this is an expected claim
   //If it is not in the expected claims list then don’t show it
   //if (ExpectedClaims.Contains( claim.ClaimType ) )
   // {
      writeClaim( claim, table );
   //}
}

Save and close Default.aspx.cs.
Open web.config in a text editor.
Remove the entire section. Remove everything starting from including and up to and including .
Save and close web.config.

Configure IIS Manager
1. Open Internet Information Services (IIS) Manager.
2. Go to Application Pools, right-click DefaultAppPool to select Advanced Settings. Set Load User Profile to True, and then click OK.
3. Right-click DefaultAppPool to select Basic Settings. Change the .NET CLR Version to .NET CLR Version v2.0.50727.
4. Right-click Default Web Site to select Edit Bindings.
5. Add an HTTPS binding to port 443 with the SSL certificate that you have installed.
6. Right-click Default Web Site to select Add Application.
7. Set the alias to claimapp and the physical path to c:\inetpub\claimapp.
To configure claimapp to work with your federation server, do the following:
1. Run FedUtil.exe, which is located in C:\Program Files (x86)\Windows Identity Foundation SDK\v3.5.
2. Set the application configuration location to C:\inetput\claimapp\web.config and set the application URI to the URL for your site, https://webserv1.contoso.com /claimapp/. Click Next.
3. Select Use an existing STS and browse to your AD FS server's metadata URL https://adfs1.contoso.com/federationmetadata/2007-06/federationmetadata.xml. Click Next.
4. Select Disable certificate chain validation, and then click Next.
5. Select No encryption, and then click Next. On the Offered claims page, click Next.
6. Select the check box next to Schedule a task to perform daily WS-Federation metadata updates. Click Finish.
7. Your sample application is now configured. If you test the application URL https://webserv1.contoso.com/claimapp, it should redirect you to your federation server. The federation server should display an error page because you have not yet configured the relying party trust. In other words, you have not secured this test application by AD FS.

You must now secure your sample application that runs on your web server with AD FS. You can do this by adding a relying party trust on your federation server (ADFS1). For a video, see Active Directory Federation Services How-To Video Series: Add a Relying Party Trust.

Create a relying party trust on your federation server

On you federation server (ADFS1), in the AD FS Management console, navigate to Relying Party Trusts, and then click Add Relying Party Trust.
On the Select Data Source page, select Import data about the relying party published online or on a local network, enter the metadata URL for claimapp, and then click Next. Running FedUtil.exe created a metadata .xml file. It is located at https://webserv1.contoso.com/claimapp/federationmetadata/2007-06/federationmetadata.xml.
On the Specify Display Name page, specify the display name for your relying party trust, claimapp, and then click Next.
On the Configure Multi-factor Authentication Now? page, select I do not want to specify multi-factor authentication setting for this relying party trust at this time, and then click Next.
On the Choose Issuance Authorization Rules page, select Permit all users to access this relying party, and then click Next.
On the Ready to Add Trust page, click Next.
On the Edit Claim Rules dialog box, click Add Rule.
On the Choose Rule Type page, select Send Claims Using a Custom Rule, and then click Next.
On the Configure Claim Rule page, in the Claim rule name box, type All Claims. In the Custom rule box, type the following claim rule.

```
c:[ ]
=> issue(claim = c);
```
Click Finish, and then click OK.

Step 4: Configure the client computer (Client1)

Set up another virtual machine and install Windows 8.1. This virtual machine must be on the same virtual network as the other machines. This machine should NOT be joined to the Contoso domain.

The client MUST trust the SSL certificate that is used for the federation server (ADFS1), which you set up in Step 2: Configure the federation server (ADFS1) by using Device Registration Service. It must also be able to validate certificate revocation information for the certificate.

You also must set up and use a Microsoft account to log on to Client1.

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