Network

Linking the network card to the Registry settings

An interesting problem from the forum. Get the IP enabled network adapters and read the associated registry keys to get the value of the NetLuidIndex.

$HKLM = 2147483650         ...
			

Network Connection Ids

Yesterday I was looking at changing a Network connection id (the name that shows in Network and Sharing Center when you look at the adapters). I kept getting an error – either COM or number of arguments depending if I was running locally or remotely.

I eventually realised that I must...

Testing network connectivity

One of the standard troubleshooting tasks when investigating a problem is deciding if the machine can communicate on the network. The approach is usually

• ping the loop back address to check TCP/IP is working
• ping the machines own address
• ping the default...

PowerShell Deep Dive: V WMI associations

NOTE: If you are wondering why the Deep Dive posts are non-consecutive – they are part of a longer series posted here

WMI–Provider Load Failure

I’m currently writing Chapter 11 of PowerShell and WMI and its about using the WMI classes related to networking. I tried the Win32_NetworkAdapter on the HP laptop I use for writing and everything worked fine. Tried it on my Lenovo that I use as a Hyper-V server and got a Provider Load failure...

WMI and Network Adapters: 10

In episode 10 we saw how to renew the lease of a DHCP enabled NIC.  What about dropping the lease all together?

Lets go back to the NIC we are experimenting on.

Get-WmiObject -Class Win32_NetworkAdapterConfiguration -Filter "Index='11'"  | gm -MemberType...

WMI and Network Adapters: 9

We have seen how to test if a NIC is DHCP enabled but what about manipulating the DHCP settings.  First off lets look at renewing a DHCP lease.

We can see the lease information

Get-WmiObject -Class Win32_NetworkAdapterConfiguration -Filter "Index='11'"  |...

WMI and Network Adapters: 8

We were looking at MAC Addresses last time. We can filter on MAC address

Get-WmiObject -Class Win32_NetworkAdapter -Filter "MACAddress='00:27:2B:F5:96:D5'"

No its not my real MAC address :-)

There are two useful methods on the NetworAdapter class – Disable and...

WMI and Network Adapters: 7

One task I find myself doing on a regular basis is checking the physical address of a NIC. Ipconfig is OK but we have to wade through a lot of stuff.  Much simpler to do this

Get-WmiObject -Class Win32_NetworkAdapter -ComputerName "." |
select Name, MACAddress