Adding a Windows Built-In Group to a Local Group

In Windows NT, how can I add a built-in group such as Interactive to a local group? The Interactive group holds all users who log on to a machine interactively (after pressing Ctrl+Alt+Del).

You can add a built-in group to a local group, but not from the Windows GUI (using NT's User Manager). Instead, you must use the Net Localgroup command. The following command adds the Interactive built-in group to the Backup Operators local group:

Net localgroup "Backup Operators" Interactive /add

In the Windows GUI (for example, in the properties for the Back-up Operators group), the Interactive group will appear as NT Authority\Interactive, as Figure 1 shows.

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