appcmd list site doesn't export all settings

hi,

I like to use:

appcmd list site /config /xml > c:\sitesExport.xml

To quickly grab a copy of the config for sites on a server, and import into another server for testing. Generally this works well, but I've noticed that Authentication settings don't appear to be captured using this method. For example, if a subfolder in the site is configured to require basic auth (while the rest of the site uses anonymous) the resulting configuration in the target server doesn't exhibit that config. It is necessary to set the authentication type after the import.

Is this a known feature? Without knowing all the locations where such settings exist, is there an easy way to export the config including these settings?

thanks