How to add RADIUS attributes to a remote access policy

Open Internet Authentication Service from Administrative Tools.
In the console tree, click Remote Access Policies.
Right-click the policy for which you want to configure a RADIUS attribute, and then click Properties.
Click Edit Profile, click the Advanced tab, and then click Add.
In the list of available RADIUS attributes, double-click the attribute that you want to add to the profile. If the Multivalued Attribute Information dialog box appears, click Add.
In Attribute, supply a value from the following table, and then click Add. If you want to add another value to the attribute, click Add again, and then configure the attribute.