asp.net - Will the ActiveDirectoryMembershipProvider traverse a one-way domain trust (in SharePoint)? -


we implementing sharepoint in environment multiple separate domain forests used authenticate users using claims based authentication. various domains have one-way trust single domain act "root" authentication requests. have tested trust , work, , our claims authentication configuration appears working well, when logging in sharepoint using forms authentication can authenticate users exist explicitly in root domain. trusted domain users not authenticate, nor enumerate when using getallusers() method of active directory membership provider.

we've boiled configuration down as possible this:

connection string:

<add name="adconnstring" connectionstring="ldap://therootdomain.org" /> 

membership provider:

<add name="adprovider"           enablesearchmethods="true"           type="system.web.security.activedirectorymembershipprovider, system.web, version=2.0.0.0, culture=neutral, publickeytoken=b03f5f7f11d50a3a"           connectionstringname="adconnstring"           attributemapusername="userprincipalname"           connectionusername="svcact"           connectionpassword="svcpwd" /> 

as configured now, able authenticate forms based users using username@domain.tld convention, if exist in root domain in trust "tree". users other domains fail authentication. think it's worth mentioning if switch ntlm users across trusted domains able authenticate; know trust functioning.

i have of course scoured internet , keep finding conflicting information. in places read one-way trust should "just work" , no special configuration required, , scenario should not have problems. in other places impression activedirectorymembershipprovider not capable of traversing domain trusts , way write customer provider walks through multiple individual providers - have hard time accepting our scenario not seem outlandish; must supported... right?

so basic question can active directory membership provider traverse domain trusts in order authenticate users, , if else needs configured make happen?

thanks in advance!


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