Specify Connection URL Problem

OK, I am trying to get file associations working on windows 8 clients. We have a 2008 R2 DC and a 2012 RDS server. I am following:

 http://technet.microsoft.com/en-us/library/hh831442.aspx

and here is where the problem exists:

Enable the default connection URL using Group Policy

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To enable the default connection URL using Group Policy

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1.
Log on to the domain controller as the CORP\Administrator user account.

2.
On the domain controller, open Group Policy Management. Click Start, type Group Policy Management, and then click Group Policy Management..

3.
Expand Forest: corp.contoso.com, and expand Domains, and then expand corp.contoso.com.

4.
Right-click Default Domain Policy, and then click Edit.

5.
Navigate to User Configuration -> Policies ->Administrative Templates -> Windows Components -> Remote Desktop Services -> RemoteApp and Desktop Connections.

6.
Double-click Specify Default Connection URL, and then click Enabled.

7.
In the Default Connection URL box, type https://RDWA1.corp.contoso.com/RDWeb.

8.
Click OK.

Step 5 on our 2008 DC we do not have a "RemoteApp and Desktop Connections" entry and so in step 6, needless to say, we dont have "Specify Default Connection URL"! How does one set "Specify Default Connection URL" on 2008 R2 Ent?