This user right determines which users and groups can call an internal application programming interface (API) to create and change the size of a page file. This user right is used internally by the operating system and usually does not need to be assigned to any users.
For information about how to specify a paging file size for a given drive, see To change the size of the virtual memory paging file.
Computer Configuration\Windows Settings\Local Policies\User Rights Assignment
At least Windows XP SP2, Windows Server 2003
User Rights security settings are not registry keys