Question

Different between GetObject("WinNT://" & domain) and GetObject("LDAP://" & domain)

Asked by: Abdu_Allah

hi, I just want to know what is the different  between GetObject("WinNT://" & domain) and GetObject("LDAP://" & domain)?

Thanks.

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Asked On
2006-03-20 at 10:40:48ID21781142
Tags

getobject

,

winnt

Topic

Programming for ASP.NET

Participating Experts
3
Points
250
Comments
18

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Answers

 

by: craskinPosted on 2006-03-20 at 10:47:39ID: 16238904

LDAP was built for email gateways to communicate with the domain. the GetObject WinNT is the back-door of sorts right into the domain. you still can't retreive passwords with it, but you can do basically the same things in both of them, just with different commands.

 

by: srivatsavayePosted on 2006-03-20 at 10:48:35ID: 16238920

("WinNT://" & domain) seems to be Windows NT Authetication user domain

("LDAP://" & domain) is LDAP server domain(Its an active directory used mostly internally for storing email addresses and logins etc..)

 

by: Abdu_AllahPosted on 2006-03-20 at 11:24:58ID: 16239494

>you still can't retreive passwords

I can change paswords, add user, delete user etc , look here: http://dev.coadmin.dk/Resources/ADSI%20SDK%205%20HTML/winnt.htm#bind_domain

 

by: craskinPosted on 2006-03-20 at 11:31:51ID: 16239590

but you can't get a password from the domain. there isn't any method available (that i've ever heard of) including the active directory MMC snapin that will display a user's password.

 

by: ihenryPosted on 2006-03-21 at 07:39:11ID: 16247731

This simple question can have lots of explanation :o)

In active directory domains, there are more things can be done with the object returned with LDAP syntax than the one with WinNT. But you can't use the LDAP provider in NT domains nor can you use it to manage local computer accounts. In this case, use WinNT instead. LDAP provider supports hierarchical structure in which you can group objects into logical units, e.g. Organization Units or into Security units like Global Security Groups. On the other hand, WinNT supports a flat namespace and is blinds to the hierarchy of objects. There are also some incompability issues in attributes naming and usage. E.g. displayName, scriptPath and userAccountControl attributes are recognized only by LDAP. With WinNT, those attributes are called displayName, scriptPath and userAccountControl.

Some good reading.
http://msdn.microsoft.com/library/en-us/adsi/adsi/adsi_ldap_provider.asp
http://msdn.microsoft.com/library/en-us/adsi/adsi/adsi_winnt_provider.asp

From .NET Framework programming standpoint, you are always better off using the System.DirectoryServices API than the traditional COM GetObject syntax. The API can give all you need to explore your active directory forest.

http://msdn.microsoft.com/library/en-us/sds/sds/portal.asp


Henry

 

by: Abdu_AllahPosted on 2006-03-21 at 07:44:30ID: 16247801

I want to access domains information(Such as domains' users etc) using Active Directory so which one should I use?

 

by: Abdu_AllahPosted on 2006-03-21 at 07:45:07ID: 16247807

[Points raised to 500]

 

by: ihenryPosted on 2006-03-21 at 07:57:39ID: 16247993

LDAP

 

by: Abdu_AllahPosted on 2006-03-21 at 08:00:14ID: 16248028

Why? GetObject("WinNT://" & domain) does not work on AD or what?!

 

by: ihenryPosted on 2006-03-21 at 08:10:56ID: 16248170

It also works on active directory domains, it's just hat LDAP provider provides more facilities compare to WinNT.

E.g. in Win2K or Win2K3 AD domains
-  you can't reset password with WinNT
-  you can't change password with WinNT
etc.

 

by: Abdu_AllahPosted on 2006-03-23 at 12:30:42ID: 16273993

I returned back the points to 500 since they are in different TA and different participants.

 

by: Abdu_AllahPosted on 2006-03-23 at 15:35:43ID: 16276067

I increased the points after the discussion raised many other branched questions which they are different somehow in the two threads...this is why I increased the points. please return them back to 500

20120131-EE-VQP-002

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