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Forest.VerifyTrustRelationship Method

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

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

public void VerifyTrustRelationship(
	Forest targetForest,
	TrustDirection direction


Type: System.DirectoryServices.ActiveDirectory.Forest
A Forest object for which to verify the trust relationship.
Type: System.DirectoryServices.ActiveDirectory.TrustDirection
A TrustDirection value that specifies the direction of the trust, relative to this forest.


There is no trust relationship with the forest that is specified by targetForest, or the target forest does not have the trust direction that is specified by direction.


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


The target server is either busy or unavailable.


targetForest is null.


The direction parameter is not a valid TrustDirection value.


The object has been disposed.


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

This method verifies that a trust relationship has been fully established. The trust is not established until both sides of the trust have been created.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.