Topics Map > University of Chicago > IT Services > Phones & Internet Connections > Wireless Data Networking
Topics Map > University of Chicago > IT Services > Phones & Internet Connections > Wireless

Wireless - Common Certificate Errors on Windows

This article provides information regarding the expected certificate error(s) on Windows machines.

On Windows devices, your machine will fail to connect initially and will give you the error message "The connection attempt could not be completed". This displays when your machine notices the network certificate has changed in the authentication process. This error message appears whether you use XpressConnect profiles or not.

The workaround is to click Connect to dismiss the initial warning to get connected. Once you have a network connection, you should install an updated XpressConnect profile from This will ensure your machine gets the updated intermediate CA certificates with the right trust settings.

Windows Certification Error Dialog Box

In a worst case scenario, you may not be able to get connected to uchicago-secure. In that case, you must delete the old connection profile for this connection under Manage Wireless Networks and then connect to the open network uchicago login to the web browser using your CNet account. Once connected, point your browser to the XpressConnect configuration wizard: This configures your machine help you transition to the uchicago-secure network.

Duplicate Certificate Issues on Windows

In rare cases we've noticed that some windows machines ended up with multiple copies of the required CA certificates.

See Also

Keywords:pc, expressconnect, xpressconnect, The_connection_attempt_could_not_be_completed   Doc ID:52040
Owner:Brian N.Group:University of Chicago
Created:2015-06-08 09:21 CDTUpdated:2017-05-16 10:11 CDT
Sites:University of Chicago, University of Chicago - Sandbox
Feedback:  0   0