Hi,
Yes, can create two DNS records that point the IP addresses of the Server2 and Server3 (remote session host servers) to the same RDS farm name.
And then on your thin client, you should input the rds farm name for remote connection.
You can refer to below article for RDS farm configuration.
https://thewolfblog.com/2014/02/08/deploying-a-2012-2012r2-remote-desktop-services-farm/
Thanks,
Eleven
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