Configure backup of QNAP NAS to Crashplan Central

We have a QNAP NAS running the headless Crashplan service. We need a Freelancer to configure Crashplan on our Mac in order for it to connect to the headless Crashplan service running on the NAS and back up the NAS to the Crashplan Central servers. You can read more at [login to view URL] We have done everything in this article but the Crashplan App on the Mac fails to open with an "Unable to connect to the backup engine, retry?" error.