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RegistryKey::OpenRemoteBaseKey Method (RegistryHive, String, RegistryView)

Opens a new registry key that represents the requested key on a remote machine with the specified view.

Namespace:  Microsoft.Win32
Assembly:  mscorlib (in mscorlib.dll)

static RegistryKey^ OpenRemoteBaseKey(
	RegistryHive hKey, 
	String^ machineName, 
	RegistryView view


Type: Microsoft.Win32::RegistryHive
The HKEY to open from the RegistryHive enumeration..
Type: System::String
The remote machine.
Type: Microsoft.Win32::RegistryView
The registry view to use.

Return Value

Type: Microsoft.Win32::RegistryKey
The requested registry key.


hKey or view is invalid.


machineName is not found.


machineName is nullptr.


machineName is nullptr.


The user does not have the necessary registry rights.


The user does not have the required permissions to perform this operation.

The local machine registry is opened if machineName is String::Empty. The requested key must be a root key on the remote machine, and is identified by the appropriate RegistryHive value.

In order for a key to be opened remotely, both the server and client machines must be running the remote registry service, and have remote administration enabled.

On the 64-bit versions of Windows, portions of the registry are stored separately for 32-bit and 64-bit applications. There is a 32-bit view for 32-bit applications and a 64-bit view for 64-bit applications. If view is Registry64 but the remote machine is running a 32-bit operating system, the returned key will use the Registry32 view.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.