Ask HN: Remote Management Software

I am looking for a remote management software for use on our Windows computers that we have at our customers. What I am looking for is something like TeamViewer but with the following features: - Each computer has a unique password, unknown for the user who will remote into the computer. - Each user who will remote into the computers gets a personal user account. No need to set up an account on each computer and share passwords and so on. - Me as an Admin can give access to specific computers for specific user accounts. Not all user accounts should have access to all computers. - A portal where I can administer all users, passwords, computers and so on. - End to end encryption. - Some computers are behind VPN, problem or can the remote software go through it? This will be used on 100+ computers.