RegDisablePredefinedCacheEx function

Disables handle caching for all predefined registry handles for the current process.


LSTATUS RegDisablePredefinedCacheEx(



This function has no parameters.

Return Value

If the function succeeds, the return value is ERROR_SUCCESS.

If the function fails, the return value is a system error code.


This function does not work on a remote computer.

Services that change impersonation should call this function before using any of the predefined handles.

For example, any access of HKEY_CURRENT_USER after this function is called results in open and close operations being performed on HKEY_USERS<b>SID_of_current_user, or on HKEY_USERS.DEFAULT if the current user's hive is not loaded. For more information on SIDs, see Security Identifiers.


Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header winreg.h (include Windows.h)
Library Advapi32.lib
DLL Advapi32.dll

See Also


Predefined Keys

Registry Functions