Using active directory, calling Membership.ValidateUser() seems to always return false, must be missing something.
web.config
<add name="ADConnectionString" connectionString="LDAP://domain/CN=Users,DC=x,DC=y,DC=z" />
<membership defaultProvider="MyADMembershipProvider">
<providers>
<add
name="MyADMembershipProvider"
type="System.Web.Security.ActiveDirectoryMembershipProvider, System.Web, Version=2.0.0.0,
Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
connectionStringName="ADConnectionString"
connectionUsername="user"
connectionPassword="password"/>
</providers>
</membership>
My login button calls
MembershipProvider provider = Membership.Provider;
bool ...
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