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On upgrade to Catalina, the captive portal wifi login page no longer appears. Because of this I can no longer connect to public wifi portals.
Steps: Connect to a public wifi
Expected result: Captive network login dialog screen should appear
Actual result: Wifi shows as connected, but no login screen, and no internet access, no DNS resolution, not able to access any IPs on the network
MacBook Pro
This is a bug in macOS Catalina (still present with the latest patchlevel, i.e. 10.15 with the supplemental update from 15th October 2019). For some reason the Captive Portal Assistant (the app that produces the captive portal popup window whenever you connect to a WiFi hotspot) won't start automatically.
There are two workarounds:
option 1: Either you can manually start the Captive Portal Assistant app manually after you have connected to the WiFi network. This will bring up the captive portal popup window and you can unlock Internet access there. (Really no need to boot in recovery mode, etc. !)
option 2: From this blog post: To bring back the captive portal window automatically whenever you connect to a captive portal-protected WiFi network you can create a LaunchDaemon that watches for WiFi changes and automatically opens the Captive Portal Assistant app.
Create a plist file with the service definition somewhere:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" \
"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>my.shim.catalina.captivenetworkassistant.plist</string>
<key>LowPriorityIO</key>
<true/>
<key>ProgramArguments</key>
<array>
<string>open</string>
<string>/System/Library/CoreServices/Captive Network Assistant.app</string>
</array>
<key>WatchPaths</key>
<array>
<string>/Library/Preferences/SystemConfiguration</string>
</array>
<key>RunAtLoad</key>
<true/>
</dict>
</plist>
and apply it:
launchctl load my.shim.catalina.captivenetworkassistant.plist
launchctl start my.shim.catalina.captivenetworkassistant
check https://poweruser.blog/macos-catalina-wifi-issue-captive-portal-broken-45610cc016b5 for more details.
If it works after safe boot you have an app launching at boot that blocks the portal page.
I am having the same problem. Since I upgraded to Catalina, I cannot connect to captive portals. The login screen does not pop up. Rebooting doesn’t help.
This is a real problem. C’mon Apple.
Same exact problem and I've tried everything to resolve beside a clean install of the OS.
I got the same issue since updating on Catalina. The Landing Page only appears when restarting my Mac.
Ok. I tried it too but it doesn't work on my MacBook.
This worked for me ! Thanks for the help...
Is it ok to delete everything?
jishnupramod, which suggestion worked for you?
Clearing out the Launch Agent/Daemons folders worked for me personally. Not ideal but it’s better than having to reset my MBP every time I need to login.
Will try this. But I’m worried it will recur once i connect and then want to reconnect the next day (or several hours later).
This worked for me, thank you!!
I want to say it’s not Sophos. FWIW, I thought it was, so I completely uninstalled Sophos and still having the issue.
Yes to Steve Davidson. I removed the files related to my work VPN -- it's the Cisco AnyConnect Mobility Client -- from LaunchAgents and LaunchDaemons, and that solved the captive wifi problem for me.
Yeah... No, this turned out not to be the answer. It was the reboot that fixed it.
After trying it all, this one solved it for me. Thanks!
wifi not working - captive portal login screen does not appear
