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How to configure 802.1X authentication for wired connections on M$ Windows

asked 2016-11-30 12:24:50 +0100

fafard@in.tum.de gravatar image

updated 2018-03-14 11:51:19 +0100

erbesdob@in.tum.de gravatar image
application services

This entry describes how to configure an 802.1X authentication for wired connections on M$ Windows. This is necessary, e.g. when attempting to connect via LAN in the Rechnerhalle, as it requires an eduroam authentication, which is an 802.1X authentication.

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answered 2016-11-30 12:58:04 +0100

fafard@in.tum.de gravatar image

updated 2017-08-09 10:27:50 +0100

kurzk@in.tum.de gravatar image
application services

This requires the service Wired AutoConfig (or Automatische Konfiguration (verkabelt) on a german Windows) to be running. The first thing to do is thus checking whether the service is running and—if necessary—start it. Once this you have ensured that the service is running, simply plug the network cable in and M$ Windows should automagically ask for your credentials.


Connecting to LAN once:

  1. Open the M$ Windows Run: dialog—Either via the start menu or via the the keyboard shortcut <SUPER>+R.
  2. Enter services.msc and hit <ENTER>.
  3. Locate the Wired AutoConfig or Automatishe Konfiguration (verkabelt) service in the list.
  4. Right-click it and select Start.
  5. Close the service manager and plug in the cable.
  6. Enter your eduroam credentials.

Permanently (re)enable the service:

  1. Open the M$ Windows Run: dialog—Either via the start menu or via the the keyboard shortcut <SUPER>+R.
  2. Enter services.msc and hit <ENTER>.
  3. Locate the Wired AutoConfig or Automatishe Konfiguration (verkabelt) service in the list.
  4. Right-click it and select Properties.
  5. In the drop-down box right of Startup type, select Automatic.
  6. Apply the settings and close the service manager.
  7. The service will now start with M$ Windows and does no longer need to be manually started every time you wish to use an 802.1X authentication over a wired connection.

Reminder: Eduroam credentials

Username: <LRZ-ID>@eduroam.mwn.de
Password: <TUMonline password>


Note: The <SUPER> key is sometime also called <WIN> key in M$ Windows environments.

Note: M$ Windows 10 has an interesting feature that may blank the username and password fields every few seconds, making it rather difficult to enter your credentials. Although this feature exists since the release of M$ Windows 10 and still has not been fixed, you may try your luck with pestering the M$ support about this.

Note: Make sure to use DHCP, as statically configured addresses will not work in university networks.

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Asked: 2016-11-30 12:24:50 +0100

Seen: 91 times

Last updated: Aug 09 '17