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802.1x -> Windows credentials

Hello all,

I am working on an 802.1x lab and proof of concept and have 2 problems. Solving either of them will have me good-to go. Just for reference I have:

1) enabled and tested workstation authentication

2)can succesfully authenticate users and workstations against AD

First: If I use the default Windows 2000 802.1x service and have the box "Always use my Windows username and password" box checked when using PEAP, I cannot for the life of me figure out how to authenticate when I have logged in as a local user account. Windows insists on putting the local computer name in front of the username when I log in to a local account, so I cannot simply enter the default company-wide local administrator into ACS's local database.

Second: If I use the Cisco CTA client, I always get prompted for my password by CTA after I login to Windows, when I thought it should use the credentials I logged in with. I do not care if I have to enter local credentials twice, but a normal user logging into an AD account should not have to. If as I suspect this is a certificate issue my corporation does have a very good PKI infrastructure I can work off of.

My preference is not to have to install any additional software for 802.1x so if I can figure out how to authenticate when logged in as the local administrator without having to change settings, that would be best, but if I need to I can us the CTA client.

Any help would be greatly appreciated,

Nathan Spitzer

Lockheed Martin TSS

1 REPLY
Cisco Employee

Re: 802.1x -> Windows credentials

Not sure if this is for wireless or not, but Windows generally does not allow for this by default, due to roaming issues. See here for more details:

<http://www.microsoft.com/technet/itsolutions/network/wifi/wififaq.mspx#EAAAA>

You could set this up with MD5 to ask it for you credentials every time though, if this is for a POC test.

CTA should be able to acieve SSO as well, but this is a non-default condition for a stand-alone install. You can setup a profile which enables SSO by default though, to achieve an SSO experience for other users. See here for more details:

<http://www.cisco.com/en/US/products/ps5923/products_maintenance_guide_book09186a008068ece8.html>

Hope this helps,

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