Problem: A user can't RDP from a network to another network
case1: example.com\User1 can't RDP from desktop1(192.168.10.21) to server1(192.168.11.41)
case1.1: example.com\User1 can't RDP from desktop2(192.168.10.22) to server1(192.168.11.41)
case1.2: example.com\User1 can't RDP from desktopx(192.168.10.2xx) to server1(192.168.11.41)
case2: example.com\User1 can RDP from server2(192.168.11.35) to server1(192.168.11.41)
case3: example.com\admin1 can RDP from desktop1(192.168.10.21) to server1(192.168.11.41)
case4: example.com\admin1 can RDP from server2(192.168.11.35) to server1(192.168.11.41)
I added User1 in Server1 local Administrators group
Can anyone advice me where and what to check
Thanks