Podo  Freshman Member

It looks like you can't implement this. Zyxel also don't support Azure Cloud AD Maybe try traditional AD DC instead ?

Pin the reset button on the front panel for 10 seconds and it will reset your admin password.

Did you create org and claim your device on to that org in Secureporter? You can follow this article to deploy https://kb.zyxel.com/KB/searchArticle!gwsViewDetail.action?articleOid=017923&lang=EN

Is your firmware the latest version? You try the latest one and check if it's still the same.

Antispam doesn't need signature update so you don't need to update antispam.

Looks like your device is a bit old. Check this website and you will see no license is available for USG50. https://www.zyxel.com/License-Finder.shtml I recommend you buy an either in ATP series or FLEX series device.

In that case I recommend you to use zyxel marketplace. Switch to marketplace on the upper right and buy your license with auto-activation. Marketplace's system offers you the compatible licenses so you don't need to afraid or compare part number or something.

Ask the license's part number from internet dealer and search in there https://www.zyxel.com/License-Finder.shtml If you buy it from internet dealers I suggest you register it to myzyxel and link to your device as soon as possible.

When this happen do you see that the user in the SSO agent's logon user list and the login user in usg's web gui?

For client you have to buy the license. You can look for Secuextender SSL VPN macos in marketplace

What is your Extollo PLA's model name? If you simplify your network such as connect your router and PC via PLA5456 and nothing else in network can you see PLA devices using Zyxel's PLA software? You can also try upgrading your ethernet driver or try with another PC.

Reset your WAP3205v3 to factory defaults then set your PC's IP address to 192.168.1.3. Connect PC's ethernet cable to LAN1. Then you should access WAP3205v3 Web interface via 192.168.1.2

What is the target OpenVPN server? Is it another Armor device?

Maybe first need to export your certificates from old USG and import to the new USG. Then after transferring old USG60's config to the new you execute this into CLI apply /conf/old_USG_startup-config.conf

What is your router's model? You can configure DNS server as PeterUK said