This is the log from OCS_Manager after fresh install.
:/var/log/ocsmanager# tail ocsmanager.log
File "/usr/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in fix_call
val = callable(*args, **kw)
File "/usr/lib/python2.7/dist-packages/ocsmanager/config/middleware.py", line 43, in make_app
config = load_environment(global_conf, app_conf)
File "/usr/lib/python2.7/dist-packages/ocsmanager/config/environment.py", line 178, in load_environment
config['samba'] = _load_samba_environment(samba_retries)
File "/usr/lib/python2.7/dist-packages/ocsmanager/config/environment.py", line 61, in _load_samba_environment
creds.set_machine_account(params)
RuntimeError: (-1073741606, 'Configuration information could not be read from the domain controller, either because the machine is unavailable or access has been denied.')
Removing PID file /var/run/ocsmanager/ocsmanager.pid