Steps to reproduce the problem

1. Start Microsoft Visual Studio .NET.
2. On the File menu, point to New, and then click Project.
3. Under Project Types, click Visual C# Projects, and then click Console Application under Templates. Name the project "Q327442."
4. In Solution Explorer, right-click References, and then click Add Reference.
5. In the Add Reference dialog box, click the .NET tab.
6. Double-click System. DirectoryServices.dll under Component Name.
7. Make sure that System.DirectoryServices.dll appears under Selected Components, and then click OK.
8. Put the following code sample in Class1.cs instead of the existing code.

   using System;
   
   using System.DirectoryServices;
   
   namespace Q327442
   
   {
   
   class Class1
   
   {
   
   [STAThread]
   
   static void Main(string[] args)
   
   {
   
   //TODO: Use your own Domain name, your own USERNAME, and your own PASSWORD 
   
   DirectoryEntry searchRoot = new DirectoryEntry(
   
   "LDAP://yourcorp.com/CN=Users,DC=yourcorp,DC=com",
   
   "USERNAME",
   
   "PASSWORD", AuthenticationTypes.Secure );
   
   string[] props = {"cn"};
   
   //TODO: Replace FULL NAME with the name that you want to search for.
   
   DirectorySearcher dirSearch = new DirectorySearcher(
   
   searchRoot,
   
   "sAMAccountName=userID",
   
   props,
   
   SearchScope.OneLevel );
   
   SearchResult oSearchResult = dirSearch.FindOne();
   
   DirectoryEntry dirEntry = oSearchResult.GetDirectoryEntry();
   
   Console.WriteLine( dirEntry.Name );
   
   Console.Read();
   
   }
   
   }
   
   }
   
   

9. Search for the "TODO" text string in the previous code sample. Modify the code sample for your environment as instructed in the "TODO" text string.
10. Press F5 to build and to run the project.
    
    You may receive the error message that is mentioned in the "Symptoms" section.

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