ArcGIS 10.1 Web Adaptor Installation -- Error 401.3 when configuration page launches

Discussion created by TWSAdmin on Jan 16, 2013
Latest reply on Jan 17, 2013 by bubbahey25
I'm creating a single-machine ArcGIS Server (AGS) site.  My server is running Windows Server 2008 R2 Standard.  I've installed AGS 10.1 SP1 successfully.  During installation of the Web Adaptor 10.1 SP1 I'm told that the Web Adaptor installed successfully, but when the configuration page tries to open I get the following error.

[INDENT]Access is denied. Description: An error occurred while accessing the resources required to serve this request. You might not have permission to view the requested resources.

Error message 401.3: You do not have permission to view this directory or page using the credentials you supplied (access denied due to Access Control Lists). Ask the Web server's administrator to give you access to 'C:\inetpub\wwwroot\arcgisweb\webadaptor\Config.aspx'.[/INDENT]

The account with which I'm logged in has 'full control' permissions to the inetpub folder and subfolders.

Suggestions?  Thanks.