Microsoft's MMC plug-ins - which are management applets that run inside the console - replace many of the old configuration and administration tools that currently ship with NT, such as the User Manager, Server Manager and Event Viewer.

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Observers also say there has been a perception that Net-Ware couldn't handle transactions as efficiently as Windows NT or Unix because it lacked pre-emptive processing.

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In fact, the MTA that forms the core of Sendmail for NT is the same as the open source MTA currently used in Unix versions of the product.

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