This documentation is archived and is not being maintained.

Forest.VerifyOutboundTrustRelationship Method

Verifies that a previously established outbound trust with the specified forest is valid.

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

public void VerifyOutboundTrustRelationship (
	string targetForestName
public void VerifyOutboundTrustRelationship (
	String targetForestName
public function VerifyOutboundTrustRelationship (
	targetForestName : String
Not applicable.



The DNS name of the domain with which the trust exists.

Return Value

If the trust is verified, the method returns without throwing an exception. If the trust cannot be verified, the method will throw an ActiveDirectoryObjectNotFoundException exception.

Exception typeCondition


There is no outbound trust relationship with the forest that is specified by targetForestName.


A call to the underlying directory service resulted in an error.


The target server is either busy or unavailable.


targetForestName is an empty string.


targetForestName is a null reference (Nothing in Visual Basic).


The object has been disposed.


The specified account does not have permission to perform this operation.

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