Need local LDAP instance for testing on Windows server

Windows Server 2008 R2
Joined to domain and contained in DMZ.  Server is unable to communicate with domain, intentionally.

I have a developer who is writing a .NET app and needs to test LDAP user queries, locally from the server.  I'm researching how to setup a local LDAP instance on this server.  I thought the Active Directory Lightweight Directory Services role might do the trick, but I'm unable to connect to the instance I installed with ADSI Edit.  I'm either doing something wrong or misinterpreting this role.

I'm researching alternative LDAP solutions and my research led me to ApacheDS:

Would ApacheDS be a good solution to allow us to build a container of users, for test queries?  Or is there a Windows feature I can take advantage of?  Any other ideas?

Thanks in advance.
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Radhakrishnan RSenior Technical LeadCommented:

If i understand correct, you are trying query users via ldap? if so, you don't need to enable the Active Directory Lightweight Directory Services role. Bydefault, LDAP is enabled once you installed the DC. Go to start>>run>>ldp.exe>>Connection>>Connect>>Give the server name and port 389>>OK>>Once it's connected you can see lot of LDAP information which can be used for your testing.
Shalom CarmelCTOCommented:
Use ADAM (Active Directory Application Mode).
It runs as a user service and can be provisioned on the developer's PC.
I had exactly the same problem. The only server to which I had access for Active Directory was off limits for development.

So I downloaded OpenLDAP for Windows, made up a .lif file full of test cases and developed and tested against that. The biggest advantage is the fact that you can test against missing data by simply mocking it up.

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bmsandeAuthor Commented:
@Radhakrishnan - thanks for your suggestion but the server is contained in the DMZ so we can't connect to the DC

@BigRat - I came across OpenLDAP in my research but found ApacheDS possibly be more user-friendly.  I haven't tested either, yet.  But it sounds like you understand our objective.  I'll take a look at OpenLDAP.  Thanks.
bmsandeAuthor Commented:
Does anyone else think ADAM would be a good solution??  I've been reading about this but not sure how it compares to OpenLDAP or ApacheDS.
Shalom CarmelCTOCommented:
The good thing about ADAM is that it uses the same schema as AD, so all platform quirks can be addressed easily. Other than that, if you like OpenLDAP then go for it.
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