Permits or prohibits use of this snap-in. If you enable this setting, the snap-in is permitted. If you disable the setting, ...

Permits or prohibits use of this snap-in.

If you enable this setting, the snap-in is permitted. If you disable the setting, the snap-in is prohibited.

If this setting is not configured, the setting of the "Restrict users to the explicitly permitted list of snap-ins" setting determines whether this snap-in is permitted or prohibited.

--  If "Restrict users to the explicitly permitted list of snap-ins" is enabled, users cannot use any snap-in except those explicitly permitted.

    To explicitly permit use of this snap-in, enable this setting. If this setting is not configured (or disabled), this snap-in is prohibited.

--  If "Restrict users to the explicitly permitted list of snap-ins" is disabled or not configured, users can use any snap-in except those explicitly prohibited.

    To explicitly prohibit use of this snap-in, disable this setting. If this setting is not configured (or enabled), the snap-in is permitted.

When a snap-in is prohibited, it does not appear in the Add/Remove Snap-in window in MMC. Also, when a user opens a console file that includes a prohibited snap-in, the console file opens, but the prohibited snap-in does not appear.