When a client requests a class object for a registered class, COM either returns an existing class object or launches a process that is registered as containing the requested class object. The process of obtaining a class object reference for a...

This article discusses schema updates. IMPORTANT : This article contains information about modifying the Active Directory schema. If problems occur, a system backup, or reinstallation of your system, may be the only way to recover data. CAUTION : You...

Describes how to use the Windows Vista Upgrade Advisor to determine in advance of a Windows Vista upgrade whether the computer hardware and the programs that are installed on the computer are compatible with Windows Vista.