If you only need to ensure two people can connect without kicking each other off, you can use Group Policy without any file modifications. How to Allow Multiple RDP Sessions on Windows 11 and 10
You cannot easily modify system files without taking ownership. Use the following commands (assuming your admin username is "Administrator" or your specific user): termsrvdll patch windows server 2022 free work
Automation scripts can handle the permission changes and byte replacement for you. If you only need to ensure two people
RDP from 3+ different user accounts to verify. termsrvdll patch windows server 2022 free work
Microsoft’s changes in Server 2022 include: