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Domain.RaiseDomainFunctionality Method

Raises the mode of operation for the domain.

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

public void RaiseDomainFunctionality(
	DomainMode domainMode


Type: System.DirectoryServices.ActiveDirectory.DomainMode
An DomainMode enumeration value that specifies the new operation level for the domain.


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


The target server is either busy or unavailable.


Based on the current operating mode of the domain, the value specified for domainMode is not valid.


domainMode is not a valid DomainMode enumeration value.


The object has been disposed.


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

The DomainMode value can be raised but not lowered. This means that raising the functionality level of the domain is not reversible and the decision to do this should be made carefully.

For more information about domain operational modes, see Domain and forest functionality.

The following table defines the valid values for domainMode based on the current operating mode of the domain.

.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.