More than a year after Windows 2003 was released, only 16% of organisations have fully deployed the operating system in any part of their business.
Windows 2000 is still holding strong on desktops, with 41% of organisations using it, and 38% deploying it across the business.
By contrast, only 14% of users have deployed Windows XP company-wide; 42% have fully deployed it in some departments; 20% are running pilots; and 9% are evaluating the technology.
Linux is growing in popularity as a server operating system, the survey revealed. Fifteen per cent of companies are evaluating the operating system, 9% are running pilots and 14% routinely use Linux in internet applications.
Thirteen per cent of organisations are evaluating Linux for use on the desktop and 3% are piloting Linux desktop operating systems.