Microsoft added DCOM and RPC to the CIM management framework along with other small changes and called it the Windows Management Interface. It’s an industry standard that’s been around for many years, but it has no method included to access data on a remote computer. The “Common Information Model” (CIM) is an open-source standard for accessing and displaying information about a computer. What? Aren’t CIM and WMI different? Actually, they have more in common than not. If you’re paying close attention, you’ll see that abbreviation for Common Information Model is CIM. A lesser-known fact is that WMI is based on the “Common Information Model” standard of how to display managed data in an easy-to-read format. Windows Management Interface (WMI) is a well-known management interface that can access data about a computer. What’s the difference between these management interfaces? Which one should you use, and why? A history lesson on WMI and CMI Sysadmins have been using WMI for years, and then Microsoft gave us data access via CIM with the rollout of PowerShell v3.0. PowerShell provides two similar management interfaces for accessing data on a computer: WMI and CIM.
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