FTP no longer working with hostname

Gareth-AWD

Well-Known Member
Jul 3, 2008
195
13
68
London, UK
cPanel Access Level
Root Administrator
Since 66 update, if I login to FTP with the host as server hostname as the host it says the password failed, but if i put the domain of the site it then works.

It only happens on one of my servers.

Any ideas?