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Subject: RE: [ActiveDir] System.DirectoryServices namespace in .NET: site awareness

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bdesmond

Posts:977

06/01/2010 6:46 PM
There's a DomainController.FindOne() method that's helpful too. Thanks, Brian Desmond brian@briandesmond.com c - 312.731.3132 From: activedir-owner@mail.activedir.org [mailto:activedir-owner@mail.activedir.org] On Behalf Of Brian Arkills Sent: Tuesday, June 01, 2010 12:29 PM To: activedir@mail.activedir.org Subject: RE: [ActiveDir] System.DirectoryServices namespace in .NET: site awareness Granted that this isn't the best approach for FIM/ILM, but if you did want to do something like this in .net, then you'd leverage System.DirectoryServices.ActiveDirectory. Specifically, you'd use the System.DirectoryServices.ActiveDirectory.ActiveDirectorySite.Servers property to get a System.DirectoryServices.ActiveDirectory.ReadOnlyDirectoryServerCollection object with a list of all the DCs in that site. System.DirectoryServices.ActiveDirectory.ReadOnlyDirectoryServerCollection is an enumerable collection, so easy to work with. From: activedir-owner@mail.activedir.org [mailto:activedir-owner@mail.activedir.org] On Behalf Of Thomas Vuylsteke Sent: Sunday, May 30, 2010 12:18 PM To: activedir@mail.activedir.org Subject: [ActiveDir] System.DirectoryServices namespace in .NET: site awareness I've been playing around a bit in .NET to get a rules extension for a FIM MA. In the extension I do a LDAP search against Active Directory to find out whether a given AccountName is already in use. Now I was wondering if anyone knows whether the following lines of code are "AD sites&services" - aware. Meaning it will locate a DC to use in the same site as the code is being ran from. Dim objDeSearchRoot As New DirectoryEntry() è Should take the domain of the server where the code is being ran è How will it locate a DC? Will it bluntly use the current logon server? What if that one is unavailable, will it use search another one? Dim objDeSearchRoot As New DirectoryEntry("LDAP://contoso.com") è Same question as above, how will it locate a DC? Will it use DNS to lookup an IP for "contoso.com" and hence use some round roubin and 0 site-awareness Dim objDeSearchRoot As New DirectoryEntry("LDAP://DC01.contoso.com") è Well can't see how this makes sense, DC down is no more lookups The following MSDN site explains the different options for binding, but not really how the DC location process works. http://msdn.microsoft.com/en-us/library/ms815618 P.S. either way I'm not hardcoding strings in the DLL, I'm using a XML besides it.

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