Windows Management Instrumentation (WMI) is a framework for remote management of local and remote computers, useful for system administrators and operations managers. It allows access to dynamic management data and the ability to write provider scripts. WMI classes can be queried to find information about remote systems.
Windows Management Instrumentation (WMI) is a management framework residing in Windows operating systems and used in the systems control rooms of the enterprise environment. Enables remote management of local and remote computers and receiving event notifications from event logs on remote systems. These functions can be extremely useful for system administrators, information systems engineers and operations managers. Whether a system administrator needs to know a particular remote computer’s list of installed hot fixes, or needs to install a printer driver update or make changes to a system registry, WMI is the framework for the tasks. An operations manager can schedule processes to run at particular times on remote computers and access lists of dynamic management data from client programs on remote computers.
If a system administrator has namespace rights on a remote-enabled system, he can log on to the remote system using his administrator credentials. If the administrator has access privileges, she can do anything on a remote computer that a local operator of that computer can do. When more than one remote computer is accessed, an administrator will use what is known as “delegation” to forward authentication to subsequent computers.
Using the C++, C#, or .NET Framework scripting languages with Windows Management Instrumentation, a control operator can write provider scripts and automation procedures to perform many management tasks on remote computers based on Windows Management Instrumentation functions. While there are over 100 provider scripts residing in the latest Windows operating systems, many companies are developing several in an effort to increase security and make scripts more responsive to individual tasks. Remote system user testing is used to determine employee predictability quotient in terms of ease of use and familiarity with using Windows components, as well as various other management tasks in a logical, unified interface. Third-party vendors also build user interfaces for WMI with scripting capabilities.
If an administrator needs to know which processes are running on a remote system, he queries the system with a WMI class called Win32_Process. Similarly, Win32_TimeZone is a Windows Management Instrumentation class that specifies time zone information on a system. There are class queries built into Windows Management Instrumentation that allow remote systems to be queried for individual queries; however, sometimes it is necessary to combine class scripts to find out, for example, how much available memory is being used by the remote system. There is a tool called CIM Studio that allows you to navigate through the Windows Management Instrumentation classes.
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