I follow the how to from elastixconnection and the fop2 config is:
I get the same error "Manager authentication failed. Check credentials!"
[genera[M :/l]
; AMI definitions
manager_host=192.168.1.40
manager_port=5038
manager_user=fop2
manager_secret=fop2secret
;event_mask=call,agent
; Daemon definitios
;listen_port = 4445
;restrict_host = www.asternic.org
;web_dir = /var/www/html/operator/fop2
; Global Config
language = en
poll_interval = 86400
poll_voicemail = 1
monitor_ipaddress = 0
master_key = 1353
; USER LIST
user=110:********:all
;user=621
all
;user=622
all
;user=623:1234all
;buttonfile=buttons.cfg