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ERROR launching instances in OCATA

I am following Ocata installation guide. I have create controller, and compute1 I have set up the network, I have set up horizon. Nova Services are UP & RUNNING, Network Agents also .. I can do EVERYTHING (list images, create instances, etc.) - but I can't get it ACTIVE. I ALWAYS get "Failed to compute_task_build_instances: No valid host was found. There are not enough hosts available." in the nova-conductor.log file, exactly after launching an instance..

image description

-------- Nova-conductor.log ---------------http://paste.openstack.org/show/605407/---------------------------------- 2017-04-04 09:22:16.278 6477 WARNING nova.scheduler.utils [req-ab5d99dc-cf52-4bf8-b615-f101bfdf284f 2aee1ca4e57643e984cc7f8c0bfe992d b827f2aca45246f8989c0d053cafe115 - - -] Failed to compute_task_build_instances: No valid host was found. There are not enough hosts available. Traceback (most recent call last):

File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 218, in inner return func(args, *kwargs) File "/usr/lib/python2.7/dist-packages/nova/scheduler/manager.py", line 98, in select_destinations dests = self.driver.select_destinations(ctxt, spec_obj) File "/usr/lib/python2.7/dist-packages/nova/scheduler/filter_scheduler.py", line 79, in select_destinations raise exception.NoValidHost(reason=reason)

NoValidHost: No valid host was found. There are not enough hosts available.

Any help please!? ..