Raises the mode of operation for the domain.
Assembly: System.DirectoryServices (in System.DirectoryServices.dll)
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.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.