Does reading involve the disk or is it RAM only?
Is it always available for reading, or are there any limitations such as certain users who will have demoted security and will not be able to?
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Does reading involve the disk or is it RAM only?
Is it always available for reading, or are there any limitations such as certain users who will have demoted security and will not be able to?
The registry is stored on disk, but will be cached (to some extent) so you are basically reading from disk though there will be times when you’ll get the cached version.
While, in general, all users have read only access to the registry, there will be parts (other user profiles, for example) that won’t be accessible.
You should always have read only access to
HKEY_LOCAL_MACHINE(with the exception ofHKEY_LOCAL_MACHINE\SAMandHKEY_LOCAL_MACHINE\SECURITYare restricted and can only be read with local system privilege) andHKEY_CURRENT_USER.