WMI

Toggling between LAN and Wireless

One of the questions in the recent Scripting Games involved toggling between a wireless and LAN connection. Only one was to be up at any one time.

This can be solved using WMI but becomes hugely simpler in Windows 8/2012 as we get a bunch of cmdlets for working with network adapters.

Working with profiles: part 1

A question came up on the forum for PowerShell and WMI – how do I delete profiles. I’m going to work up to answering that by looking at using WMI to work with profiles.

So to start how can we find the...

Working with WMI methods

Many WMI classes have methods. Methods allow us to perform some action on the object. A recent question on the forum about using methods made me realise that there are still a lot of people following the old VBScript way of doing things.

We will experiment with the BITS service as it is...

WMI providers

I found a class new to me - Msft_Providers and this got me interested in WMI providers.

PS> Get-CimInstance -Class Msft_Providers | select -ExpandProperty provider
Msft_ProviderSubSystem
SCM Event Provider
WmiPerfClass

That seems a...

Using Invoke-WmiMethod to set the DNS servers

In the last post I showed that there was an issue with the way the SetDNSServerSearchOrder of the Win32_NetworkAdapterConfiguration class worked

This would work

$nic = Get-WmiObject -Class Win32_NetworkAdapterConfiguration -Filter "Index=7"

TCP/IP Alternative Configurations: pt IV reset to static address

At some stage we may need to reset our NIC back to having a static address

$index = 7            
            
$nic 
				
				
				
				 

				

				   

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				May 16, 2012  3:12 PM


				
TCP/IP Alternative Configuration: pt II Set DHCP
				


				Posted by: Richard Siddaway
				

				 
				Network, PowerShell, WMI
The next step on our journey to an alternative configuration is setting the NIC to use DHCP
  
I will keep cheating for now and specify the NIC – on my machine I now it is the NIC whose Win32_NetworkAdapterConfiguration has an Index of 7
  

				
				
				
				 

				

				   

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				May 15, 2012  11:37 AM


				
Test-Connection on PowerShell v3
				


				Posted by: Richard Siddaway
				

				 
				PowerShell 3, WMI
Following on from the previous post I performed the same tests on PowerShell v3
  
The behaviour is the same except that 
  
Test-Connection -ComputerName . -Count 4 –AsJob
  
now give the 4 pings when you receive the job information
			

			
				
				
				
				 

				

				   

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				May 14, 2012  3:23 PM


				
Test-Connection oddities
				


				Posted by: Richard Siddaway
				

				 
				PowerShell, WMI
I’ve playing around with Test-Connection because I wanted to set up a long running WMI based job and I thought that pinging a machine lots of times would be a good way to do it. Test-Connection uses the Win32-PingStatus class.
  
I started with this
  

				
				
				
				 

				

				   

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