·An inability to deliver consistent, reliable system software. The standalone legacy of Microsoft system software, which enables users to install software on their systems locally, makes it difficult for IT managers to provide a secure, reliable base operating environment. Buggy applications are installed, files or directories are accidentally deleted, and the helpdesk must appease angry customers.

·No effective way to manage application software. Experienced system managers know that the most efficient way to manage application software is to install it on a server and launch applications to all users over a high-speed LAN. Instead, today's system managers search in vain for software distribution applications that will work without having to hire an army to support them.

·Unneeded complexity. Application and system software become more and more bloated, and too complex for guaranteed reliability. Even diagnosing and correcting routine problems requires advanced professional training, making effective user support an extremely expensive proposition.

·Lack of location-independent access. Among today's most significant IT trends are an increased demand for mobility and a strong desire for access to applications from anywhere the user happens to be. The former has fostered an industry for portable computing devices, while the latter has profound implications for telecommuting, remote office and e-business applications.