Server updates have a blue server rack icon for their links. They are not required for Windows 2000 Professional. Server updates are intended to be used in Server, Advanced Server and Datacenter Server editions of Windows 2000.
Hotfixes have a green mail icon for their links. As such, some of these hotfixes may cause unforeseen problems for some users. For example, they did not undergo regression testing. Unlike updates on general release, they were not tested extensively. Hotfixes were produced by Microsoft to fix specific problems, and are issued on a per-request, optional basis via e-mail (they are not generally available like other updates).As well as the latest official updates on general release from Microsoft, the following types of updates are also listed here.
