The Task Sequences used to deploy OS images are usually only advertised to unknown computers, and will not be available if that MAC Address is already recognized. So after imaging the first device, that MAC Address will be known by Configuration Manager and used to identify that device. Now whenever System Center Configuration Manager sees the MAC Address of that external Ethernet adapter he will think it’s the same device. And since that external usb adapter will not be frequently used after the device is deployed, maybe you won’t buy an adapter for each device and instead use the same adapter in many different devices – now you are seeing the same MAC Address in multiple devices. So if you want to reimage the device you will be using an external Ethernet adapter through your usb port. That device will probably not have an internal Ethernet adapter. Imagine that you have a tablet or ultrabook. The problem is that MAC Addresses are unique identifiers of network interfaces, but network interfaces don’t have a 1:1 relationship to devices anymore. So what’s the problem with having a device registered with its MAC Address? When computers are not prestaged, Configuration Manager will know them by their Ethernet MAC Addresses by default. It’s unique to the device and Configuration Manager uses it to recognize prestaged computers. SMBIOS is the GUID that is stored in the Device’s BIOS or UEFI. System Center Configuration Manager 2012 uses SMBIOS to identify computers, and falls back to MAC Addresses if SMBIOS information is not available. If you open a command prompt and run ipconfig /all you will see that each interface has a “Physical Address” – that is the MAC Address.Ĭonfiguration Manager, SMBIOS and MAC Addresses
So each interface will have a different one and you will see multiple of those in your machine: one for Ethernet, one for WiFi, one for Bluetooth, etc. It is usually set by the manufacturer and saved in the firmware.
Find ethernet adapter mac address serial number#
Think of it as the serial number of that network interface. The MAC Address of a network interface is its unique identifier. MAC stands for Media Access Control, but that doesn’t make it any easier to understand what it is. So Neil and I both get asked this question quite regularly and we decided to answer it together: How do I deploy multiple devices through Configuration Manager using the same external Ethernet adapter?įirst things first: What is a MAC Address? PFEs from these two technologies work together quite regularly and what never ceases to impress me is that in those situations 1+1 is always much greater than 2 That’s because System Center Configuration Manager does a lot more than just deployment, and we have a team of PFEs that focus on this product exclusively. You may have noticed that when Platforms PFEs talk about deployment the deployment scenarios are usually illustrated with MDT examples. Hey, did you miss me? This is Joao Botto again, this time in collaboration with Configuration Manager PFE Neil Potter. In the meantime, our SCCM gurus Wilhelm Kocher and Frank Rojas have found another solution for this scenario, that we think you may find easier than the one described in this post.
Find ethernet adapter mac address windows 10#
We have heard some reports of this script not working for some Windows 10 deployments, and we are currently investigating that situation. First published on TechNet on Jul 27, 2014
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