pserv.cpl is a Windows NT/2000 Control Panel Applet that

- allows you to control all NT services and devices - allows you to uninstall applications (new in 2.6) - allows you to (at least partially) replace eventviewer (new in 2.4) - allows you to (at least partially) replace task manager (new in 2.4) - allows you to connect to remote machines - has many features your Windows 2000 MMC doesn't offer you - is fast