MyBB Community Forums

I want to prevent posting on too old threads.(2 years ago )

how??

you can use Lock Old Threads plugins --> https://mods.mybb.com/view/lockoldthreads

this plugins is not working in mybb 1.8
so update this plugins using basic plugins updating guidance https://community.mybb.com/thread-75646.html

and then setting to 2 years

There is a plugin for this in MyBB 1.8 as well
https://community.mybb.com/mods.php?action=view&pid=488

Regards
WallBB

thanks!! I will try