Windows Management Infrastructure Blog

Managing your IT infrastructure remotely, securely, reliably and efficiently

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  • Blog Post: WMI in the cloud

    Recently I came accross an interesting post which talks about how to use WMI with Windows Azure. http://blog.wadewegner.com/index.php/2009/11/04/leveraging-wmi-in-an-azure-web-role/
  • Blog Post: CIM 101

    The CIM is an information model, a conceptual view of the managed environment, that attempts to unify and extend the existing instrumentation and management standards (SNMP, DMI, CMIP, etc.) using object-oriented constructs and design. WMI uses the Common Information Model (CIM) industry standard to...
  • Blog Post: User Account Control and WMI

    Starting with Windows Vista, under User Account Control (UAC) access-token filtering can affect which operations are allowed in WMI namespaces or what data is returned. Under UAC, all accounts in the local Administrators group run with a standard user access token , also known as UAC access-token filtering...
  • Blog Post: Writing WMI providers FAQ series - 2 - When a provider doesn’t support enumeration what will be the impact for the WMI consumer?

    The aim of the series is to cover a WMI Provider writing question per post. If you have a question, you'd like the WMI team to answer, do leave a comment. Now, for the answer - If the WMI client requests to enumerate all instances of a class supported by such a provider, a return code WBEM_NOT_CAPABLE...
  • Blog Post: Writing WMI providers FAQ series - 1 - If a provider doesn’t support query capabilities, how is the query handled by WMI?

    The aim of the series is to cover a WMI Provider writing question per post. If you have a question, you'd like the WMI team to answer, do leave a comment. Now, for the answer - Let's take the Win32_Product class supported by the MSI provider as it is today. This class returns a complete list of...
  • Blog Post: Troubleshooting WMI providers using MSFT_Providers class

    MSFT_Providers is a troubleshooting class which contains configuration information for providers. This class can be pretty handy while troubleshooting provider issues. For eg. Suppose you want to know which wmiprvse process is your provider loaded in, you could use HostProcessIdentifier property...
  • Blog Post: Check out the Hey, Scripting Guy! Blog

    The “Hey, Scripting Guy! Blog ” is a great resource! The scripting guys blog about great tips, tricks, and solutions for Windows management. Here’s a list of recent WMI and PowerShell related topics: · Can I Query CPU Information with WMI and Windows PowerShell? · Where Can I Find a List of...
  • Blog Post: What's new in WMI for Windows 7

    MSDN link - http://msdn.microsoft.com/en-us/library/aa394053(VS.85).aspx New Security Feature in Windows 7 The following table lists the new Windows Management Instrumentation (WMI) security feature that is available in Windows 7. Feature Description Controlling...
  • Blog Post: What's new in BITS for Windows 7

    List of new stuff in BITS for Windows 7 Peer caching now uses Windows BranchCache. This new peer caching model replaces the model used for BITS version 3.0. For more information, see Peer Caching . Added a more flexible resource access model that allows applications to associate a pair of security...
  • Blog Post: Some useful WMI webcasts

    The below webcasts are a little old, but still useful - Windows PowerShell and Windows Management Instrumentation (Level 200) Troubleshooting Windows Management Instrumentation with the New Diagnosis Utility (Level 200) Troubleshooting the Windows Management Instrumentation (WMI) (Level 300...
  • Blog Post: Writing WMI provider in a day

    Writing WMI provider in native code has steep learning curve. It involves writing MOF files and implementing methods from IWbemServices and IWbemProviderInit interfaces. Sometimes it becomes difficult and time consuming to debug issues in the WMI provider. WMI.Net Provider Extension 2.0 was first...
  • Blog Post: Return of the Jedi... err I mean WMI

    A sneak peak at new stuff in WMI in Windows 7. (Continuation of WMI - The story so far ) WMI, Powershell - how well do they gel? Jeffrey Snover mentioned in the Powershell blog a long time back ( http://blogs.msdn.com/powershell/archive/2006/06/26/647038.aspx ) that a veteran MVP remarked...
  • Blog Post: WMI, The story so far (i.e. before Windows 7)–

    Babelfish, Grasshoppers and WMI A Babel Fish is a small yellow fish which acts as a universal translator in Hitchhiker’s guide to the Galaxy . It enables the protagonist of the story to talk to all alien species in English. WMI is kind of like that. It’s kind of a babel fish of IT folks. It can talk...
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