Redirecting between 2 mikrotiks

Hello guys!
Need some help with redirecting beween 2 mikrotiks.
I have Mikrotik 1100AHx4 Dude edition ( 192.168.1.1) from one side and Mikrotik hexS (192.168.88.1) from another.
Theyre connected via pptp VPN, Now i need to move my server from 192.168.1.10 to 192.168.88.10. Users must to use an old ip and automatically redurect to new one ( rdp). Try a lot of variants and still couldnt find solution.
Help plz!