Open Registry Key
- Updated2023-02-17
- 3 minute(s) read
Open Registry Key
Opens a reference to a key or subkey in the Windows registry.
Inputs/Outputs
machine
Name of the networked machine.
Default value: Empty — The local machine.
root key
Windows registry root key.
| HKEY_CLASSES_ROOT |
Contains information about registered applications. |
| HKEY_CURRENT_USER |
Stores settings that are specific to the currently logged-in user. |
| HKEY_LOCAL_MACHINE |
Stores settings that are specific to the local computer. |
| HKEY_USERS |
Contains subkeys corresponding to the HKEY_CURRENT_USER keys for each user profile actively loaded on the machine. |
| HKEY_PERFORMANCE_DATA |
Provides runtime information into performance data provided by either the Windows NT kernel, or running system drivers, programs and services. |
| HKEY_CURRENT_CONFIG |
Contains information gathered at runtime. |
| HKEY_DYN_DATA |
Contains information about hardware devices. This key is used only on Windows 95, Windows 98 and Windows ME. |
Default value: HKEY_LOCAL_MACHINE
subkey
Name of a subkey of root key.
A beginning backslash \ might cause an error.
Default value: Empty string
security access mask
Access rights to assign the key.
| KEY_QUERY_VALUE |
Access right to query the values of a registry key. |
| KEY_SET_VALUE |
Access right to create, delete, or set a registry value. |
| KEY_CREATE_SUB_KEY |
Access right to create a subkey of a registry key. |
| KEY_ENUMERATE_SUB_KEYS |
Access right to enumerate the subkeys of a registry key. |
| KEY_NOTIFY |
Access right to request change notifications for a registry key or for subkeys of a registry key. |
| KEY_CREATE_LINK |
Access right reserved for system use. |
| KEY_READ |
Access right that combines the STANDARD_RIGHTS_READ, KEY_QUERY_VALUE, KEY_ENUMERATE_SUB_KEYS, and KEY_NOTIFY values. |
| KEY_WRITE |
Access right that combines the STANDARD_RIGHTS_WRITE, KEY_SET_VALUE, and KEY_CREATE_SUB_KEY values. |
| KEY_ALL_ACCESS |
Access right that combines the STANDARD_RIGHTS_REQUIRED, KEY_QUERY_VALUE, KEY_SET_VALUE, KEY_CREATE_SUB_KEY, KEY_ENUMERATE_SUB_KEYS, KEY_NOTIFY, and KEY_CREATE_LINK values. |
| KEY_READ | KEY_WRITE |
Access right that combines the KEY_READ and KEY_WRITE values. |
Default value: KEY_READ | KEY_WRITE
error in
Error conditions that occur before this node runs.
The node responds to this input according to standard error behavior.
Default value: No error
registry view
Value that specifies whether to open a 32-bit key or a 64-bit key on a 64-bit operating system.
| Default | 0 | This node selects the type of key based on the version of the software product that is installed. For example, if the 64-bit version is installed, this node opens a 64-bit key. |
| KEY_WOW64_64KEY | 8 | This node opens a 64-bit key. |
| KEY_WOW64_32KEY | 9 | This node opens a 32-bit key. |
Default value: Default
reference
Reference to the open registry key.
error out
Error information.
The node produces this output according to standard error behavior.