Microsoft Corp. is recommending users of Exchange 2000 and Internet Information Server 5.0 install a patch that can prevent a denial of service attack.
A key security flaw in Microsoft Corp.'s Active Directory pointed out more than 12 months ago by early adopters won't be patched for nearly another year.
Nearly 10 months after its release, Windows 2000 is being outsold nearly two to one by predecessor Windows NT, a strong indication that companies are taking a cautious approach to migration.