+8Has anyone ever encountered their Macs trying to connect to the guest Wi-Fi network after re-installing the OS?
This usually happens during Setup Assistant and the Mac won't go through its DEP PreStage Enrollment unless I switch the network interface to the ethernet dongle.
+2I have been seeing this lately as well. Even off I do internet recovery over Ethernet and wipe the drive. Maybe I should change the partition to something other than APFS and then back? Seems like a lot of additional steps though.
+4I have a vague recollection from my days as a "Genius" that the last joined network is stored in NVRAM - could this be causing the issue?
I have witnessed this too. It attempts to join our guest network even though our devices "should" be connection to our work SSID.
+15+1 for the auto guest network connection. It seems to happen if the ethernet adapter isn't detected immediately after the reboot (even though it remained connected during an erase & install of the OS). It's only happened once or twice, so not worth the time to troubleshoot at my org.
+8The following article discusses about blocking a open wireless network.
https://www.jamf.com/jamf-nation/feature-requests/3512/blocking-in-house-public-ssid-s-on-ios
We follow the above article to push a Configuration Profile with the 'enrollmentComplete' trigger to blacklist open wireless networks.
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