If you have ever moved a virtual machine or replaced a NIC (Network Interface Card) on a physical server and wanted to keep the same IP Address, you
“The IP address x.x.x.x you have entered for this network adaptor is already assigned to another adaptor…
Do you want to remove the static IP configuration for the absent adaptor?”
or, if you have an older version of Windows it might finish with
Do you want to enter a different IP address for this adaptor in the list of IP addresses in the Advanced dialog box?”
You basically have three choices:
The problem with removing the old NIC is that it is hidden in Device Manager. Fortunately it takes about 3 seconds to un-hide devices in Device Manager:
Normally I do this with Virtual Machines that are off line, but I just did one in Server 2012 with a live server and it worked with no interruption to my RDP session so I think ‘sall good.
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