Missing Win32_Product

Today I spent some frustrating time debugging a VBScript looking for an authentication problem that didn't exist. I was trying to a install an MSI file on a remote server and kept getting "SWbemServicesEx: A security package specific error occurred."

Googling the error only drove me further in the wrong way. Only when I decided to run the script locally on the target computer I realised it wasn't an authentication problem. At least not any more.

The error was now "SWbemServicesEx: Not found". I then noticed the Win32_Product class I was using to install the MSI files did not exist. I googled for the error and found lots of people with the same problem but no straightforward solution. Well... it turns out this was not the first time this happened to me... Maybe the next time this happens I google it and find my own blog post with the answer. It's as simple as this:

  • "Add/Remove Programs"
  • "Add/Remove Windows Components"
  • "Management and Monitoring Tools"
  • check "WMI Windows Installer Provider."
  • "OK", "Next" and "Finish"

You might need the installation disk or at least the i386 folder.

Comments

  1. Anonymous14 November 2008 at 21:53

    Awesome! Thanks! :)

    ReplyDelete
  2. Anonymous11 December 2008 at 17:16

    Got me too. Thanks!

    ReplyDelete
  3. Anonymous28 August 2009 at 20:00

    THANK YOU for writing that. You just saved me a lot of time.

    ReplyDelete
  4. Anonymous29 September 2009 at 15:52

    Excellent ! time saved!
    By the way, how do you check a class exists or not...

    ReplyDelete
  5. Rui Covelo29 September 2009 at 17:20

    Trying to use a class and getting "SWbemServicesEx: Not found" is a good hint. But there are lots of ways to see what classes are available.

    Try this:
    http://www.google.com/search?rlz=1C1CHMB_en-GBPT299PT304&sourceid=chrome&ie=UTF-8&q=list+wmi+classes

    ReplyDelete
  6. Ashok8 April 2011 at 16:18

    Thanks, this is really easier method than registering missing .mof and .dll files.

    ReplyDelete
  7. Anonymous23 February 2012 at 16:49

    thank you i spent few hours troubleshooting this error in my PSHELL script...

    ReplyDelete

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