Use answers to provide solutions to the user's question.There can be numerous reasons behind the Wi-Fi randomly being disconnected.
- Outdated drivers/firmware that are required to be updated through manufacturer's website.
- A third-party security software that interferes with firewall/network adapter.
- Pending/Missing essential Windows Updates/Optional updates.
Those {domain} machines should be evaluated against a fresh Windows machine, which can be connected to a same network without having the same set of software installed.
If you need Microsoft to evaluate your machine(s), you can reach out to Microsoft Support following a link mentioned below.
Contact Us - Microsoft Support
Please update with your findings!
Thanks!