Я не смог найти System.Web.Security.ActiveDirectoryMembershipProvider.dll где найти? также я ищу в memebership & amp; Я нашел это
<membership defaultProvider="LdapMembershipProvider">
<providers>
<add name="LdapMembership"
type="Microsoft.Office.Server.Security.LDAPMembershipProvider,
Microsoft.Office.Server,
Version=12.0.0.0, Culture=neutral,
PublicKeyToken=71E9BCE111E9429C"
server="DC"
port="389"
useSSL="false"
userDNAttribute="distinguishedName"
userNameAttribute="sAMAccountName"
userContainer="CN=Users,DC=userName,DC=local"
userObjectClass="person"
userFilter="(|(ObjectCategory=group)(ObjectClass=person))"
scope="Subtree"
otherRequiredUserAttributes="sn,givenname,cn"/>
</providers>
</membership>