Why can't my computer find the HP LaserJet M207e-M212e printer during setup when connected to a VPN?
You cannot install apps from the Microsoft Store when connected to a VPN, which prevents the HP Smart software from completing setup. You should disconnect from the VPN before installing HP Smart, and reconnect to the VPN after finishing printer setup. Note: consider your location and the security of the Wi-Fi network before disconnecting from a VPN. (Page 3)
From the official HP Laserjet M207E M212E Printer manual, page 3
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