howto set custom login failed page when using windows authentification

[Dan]

hi ng,

is there a way to set a custom login failed page when using windows
authentification?
my settings are:
---------------------
<authorization>
<allow users="x,y,z" />
<deny users="*" />
---------------------
when the user doesnt't get authenticated by active directory, my defined
error page is invoked.
but as the user is authenticated but not authorized, the asp.net
standard 401.2 error screen appears.
i have tried to set an error page for the 401.2 error, but it seems that
iis ignores this setting.

thanks for your help,
dan