OS Detection without WMI

Started by john8oy

john8oy

OS Detection without WMI 04 March 2016, 22:35

Registered: 6 years ago
Posts: 62

Hi Andrew,
Apologies if this has been asked before, because this quirk has been around for a while.
When Netscan returns the built-in method for OS version, it reports "Seven/Windows 2008 R2" or "Windows 8.1/Server 2012 R2" for example. I can add an extra WMI query "SELECT Caption FROM Win32_OperatingSystem" but this is an extra overhead. Is it possibe that the built-in method could be more specific?

Cheers as always,
John

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Andrew

Re: OS Detection without WMI 04 March 2016, 22:44

Admin
Registered: 12 years ago
Posts: 5 643

Not really.

We use the NetWkstaGetInfo call, which returns a structure called WKSTA_INFO_100.

This structure contains the major and minor version of the OS, for example 6.1, which can be a number of OSs built on the same kernel. As you can see here Windows NT 6.1 can be Windows 7 or Windows Server 2008 R2 or Windows Home Server 2011.

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john8oy

Re: OS Detection without WMI 04 March 2016, 22:53

Registered: 6 years ago
Posts: 62

Ok, no worries. I guess it's a Microsoft quirk. I'll stick to the WMI for Windows specific hosts.

Cheers cool

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