I was going to secure SSH a little bit and I changed
# PermitRootLogin yes
to
PermitRootLogin No

and instantly PuTTY died and SSHD failed.

I will not restart via WHM and a reboot did not fix it.

I changed the port earlier on and it worked fine since I did it a couple hrs ago.

I have root access and another user in the wheel group to login into the server.

I'm stumped.

CentOS 5.3
cPanel+WHM