However, before installing the program, you needed to change the registry settings to establish the default Administrator owner to be the Administrators group, so future program installs would set the Administrators group as the owner, as well as alter the file ownership of files in the Windows and Program File directories using the subinacl.exe utility to change the ownership of existing files to the Administrators group. It was developed by a MS engineer and freely distributed by MS. Therefore individual administrators can no longer change any files without first being promoted to the administrators group.īefore UAE in Vista/7 you could effectively simulate this scheme by using a program called "Drop My Rights". To circumvent this security hole, Vista/7 files created by any specific administrator are now owned by the Administrators group. Ownership of a resource grants full access to this resource even when other permission settings do not. Unfortunately, even when running with UAE, a demoted administrative account can still affect OS settings by changing files it owns. You can either decline or accept the UAE request. When UAE detects a change requiring administrative privileges, it prompts the user to escalate the account's security token to the increased privileges offered by the account's role as an administrator. Under UAE an administrator is effectively demoted to a limited user account, thereby, restricting any administrator account's ability to change OS settings for files not owned by it. The difference between XP and Vista/7 default ownership settings relates to the introduction of UAE (better security). I noticed that this setting's default differs between Windows XP and Windows Server 2003 (here's an article from Microsoft on it ), but I still don't see a statement of purpose behind why you would want things set one way versus the other. I'd be interested to see if anybody has a link to an explicit statement of purpose on this setting from Microsoft. To be honest, I'm not immediately sure on Microsoft's rationale for this behaviour, except to say that it would allow for a common ability to reset permissions on objects w/o taking ownership by all "Administrators". When this setting is enabled members of the "Administrators" group will have objects they create set with the owner "Administrators". Have a look in Group Policy for the setting "System objects: Default owner for objects created by members of the Administrators group". Since the support for the setting was removed, the system security policy "System objects: Default owner for objects created by members of the Administrators group" setting is not available in the Security Templates user interface anymore. For remote access, the administrators group will be used there is no restricted token for network sessions. When enabled, User Account Control (UAC) will ensure the user account is being used as owner for all objects created locally. Windows Vista, Windows 7, Windows Server 2008 and Windows Server 2008 R2 do not support this setting any longer. When the setting is present in your security group policy, it will be ignored by Windows Vista and newer domain members. When you try to access the "System objects: Default owner for objects created by members of the Administrators group" Group Policy setting on a computer that is running Windows Vista or newer, this setting is not available in the security policy settings list. Update: This GP setting is no longer available starting with Vista/Server 2008.Ī Group Policy setting is not available in the security policy settings list on a computer that is running Windows Server 2008
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