active directory - How do I remove Login Prompt on intranet when using Windows Authentication? -

i trying auto authenticate users on intranet using ldap in vb.net (.net framework 2.0)

as far know, need activate window authentication in iis , configure web.config file, doing wrong.

1. when access page login prompt ->

i have read of solutions let me show have done sofar.

2. iis 7 enable windows authentication -> (win 2008 r2 enterprise)

3. web.config file ->

4. set ie intranet security settings ->

but still no luck.

when type in credentials seems work, searches ad perfect no errors, want remove prompt works automatic intended.

can please?

Roma