How to update Active Directory using C#

This code snippet shows you how to update the attribute in AD using C#.

You must get the LDAP server path correct with the user has administrators permission.

DirectoryEntry entry = new DirectoryEntry(“LDAP://server.localdomain.local”, “kenny”, “password”);

Specify the user that you want to change

mySearcher.Filter = “samaccountname=” + accuntName;

Specify the attribute that you want to change.

mySearcher.PropertiesToLoad.Add(“department”);

Retrieve the user

mySearchResult = mySearcher.FindOne();

Assign the new value to the attribute.

myDirectoryEntry.Properties[“department”].Value = department;

Update the user

myDirectoryEntry.CommitChanges();

The complete code snippet as below:

public static void ADUpdate(string accuntName, string department, string title)

{

    DirectoryEntry entry = new DirectoryEntry(“LDAP://server.localdomain.local”, “kenny”, “password”);

 

    DirectorySearcher mySearcher = new DirectorySearcher(entry);

 

    //obama is the user name that you want to search

 

    //ResultPropertyCollection prop;

    mySearcher.Filter = “samaccountname=” + accuntName;

    SearchResult mySearchResult;

 

    //mySearcher.PropertiesToLoad.Add(“telephonenumber”);

    mySearcher.PropertiesToLoad.Add(“department”);

    mySearcher.PropertiesToLoad.Add(“title”);

    mySearchResult = mySearcher.FindOne();

 

    if (mySearchResult != null)

    {

        //// Get the ‘DirectoryEntry’ that corresponds to ‘mySearchResult’.

        DirectoryEntry myDirectoryEntry = mySearchResult.GetDirectoryEntry();

 

        //myDirectoryEntry.Properties[“telephonenumber”].Value = “2152”;

        myDirectoryEntry.Properties[“department”].Value = department;

        myDirectoryEntry.Properties[“title”].Value = title;

        myDirectoryEntry.CommitChanges();

 

        myDirectoryEntry.Dispose();

    }

}

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About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress (http://www.pcworld.com/article/206455/Microsoft_Live_Spaces_Moves_to_WordPress_An_FAQ.html) till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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