Click Start, and then open the Internet Services Manager MMC.
Create a virtual directory to the remote administration sample directory. By default, the remote administration sample directory is C:\Program Files\Windows Media Components\Encoder\RemAdmin.
Right-click the virtual directory that contains the remote administration sample pages, and then click Properties.
Click the Directory Security tab. In Anonymous access and authentication control, click Edit.
In the Authentication Methods dialog box, clear both the Anonymous access and the Integrated Windows authentication check boxes.
Note In IIS version 4.0, clear the Allow Anonymous Access and Windows NT Challenge/Response check boxes.
Select Basic authentication (password is sent in clear text), and then click Edit.
In the Basic Authentication Domain dialog box, type or browse for the name of the domain that you want to use to administer the encoders. Click OK. Continue to click OK until you return to the main IIS screen.