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DomainController.FindOne Method (DirectoryContext, String)

Finds a single domain controller in the specified context and site.

Namespace: System.DirectoryServices.ActiveDirectory
Assembly: System.DirectoryServices (in system.directoryservices.dll)

public static DomainController FindOne (
	DirectoryContext context,
	string siteName
public static DomainController FindOne (
	DirectoryContext context, 
	String siteName
public static function FindOne (
	context : DirectoryContext, 
	siteName : String
) : DomainController
Not applicable.



A DirectoryContext object that contains the target and credentials to use for the search.


The name of the site to search for a domain controller.

Return Value

A DomainController object that represents the domain controller that was found by the search.

Exception typeCondition


No domain controller was found.


context or siteName is not valid.


context or siteName is a null reference (Nothing in Visual Basic).

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0
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