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I have been using my ESP8266 module with my Arduino on my university's Wi-Fi network, which only requires a password to log on to.

The university will soon terminate that Wi-Fi network and replace it with one that requires a username and password to log on.

What would that AT command be to connect to such a network?

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sounds like you'll need WPA2/Enterprise - read this and this - though I'm not sure if the latest AT firmware has any support - but I haven't read those links too much – Jaromanda X Jul 23 at 2:40
    
Get a wifi router, and make a local "development" network. (If you don't need internet on the ESP8266) – Paul Nov 27 at 21:34
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We can't tell without more information but it sounds rather like you will need a [WiFi_SSID, WiFi_PASSWORD] pair for the ESP to connect to the WiFi, and a [Network_USERNAME, Network_USERPASSWORD] pair for their network to let you use the network (as if you were logging onto it by hand from a terminal).

If so, you'd provide the first pair as you do now, with the AT+CWJAP... command, to get your device connected to the WiFi. For the second pair, your Arduino will probably need to interact with a user logon screen to provide the second pair. You'll need to get those details from the school's IT department, and possibly mimic a terminal.

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The network will be WPA2 secured. When logging on with my Windows 10 PC, I am prompted to enter credentials in a web browser. When using the ESP8266, might I need to send an HTTP request to the AP containing login credentials? – PNNoel Jul 22 at 18:25
    
That seems at least possible. We really don't know enough yet to do more than guess. – JRobert Jul 22 at 18:48
    
I'm using an ESP-01, interfacing with it using softser. The network is WPA2 secured, which is supported by the ESP8266. I will have to connect to Eduroam to use the network. – PNNoel Jul 23 at 23:51

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