First few days on the job and I was banging my head against the wall. I was seeing a communication error between the content ssa and the sam worker. In the log files I saw the following message
AdminLibrary.dll:MakeRemoteRequestToWorker - Unable to complete request to sam worker node
But the samworker was running when doing a nctrl status. But when looking further and doing a
the process was dead
It is caused by a loopback check during authentication in windows 2008r2. It will happen when you are running fast on a standalone machine.
To fix the issue run
setspn -A http/servername.domain.com domain\username
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