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  • Difficulty Level : Medium
  • Last Updated : 05 Jul, 2022

WMI stands for Windows Management Instrumentation.

Definition : WMI is a set of specifications from Microsoft for consolidating the management of devices and applications in a network from Windows computing systems.  WMI was the Microsoft implementation of Web Based Enterprise Management.

Purposes of WMI : 

The purpose of WMI is to define a set of specifications independent of the environment, which allow sharing management information between the same management applications.

Advantages : 

  • WMI can get info about remote machines as easily as current machine.
  • WMI uses REAL reboot time for uptime metrics.
  • Account settings used by SAM automatically.
  • WMI wraps the native API, so as API calls change, unless the WMI changed also you will (might) get the benefits.

Disadvantages : 

  • Speed – It is slow to query data and if you are trying to use it during start up it can delay you starting as the WMI service takes a long time to come up.
  • WMI is less efficient as compared to SNMP.
  • Significantly more firewall ports required in case of WMI.
  • It is present only for Windows, Linux inbox driver is not available.
  • WMI needs BIOS to wrap code.
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