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Summary
Question
Customer installed OO Central on a Windows Server 2012 and the only item that failed is the "start central", although the service is running. These are the important lines in the installer.log file:
2018-03-09 13:37:48,020 [INFO ] http connection test result: TestResult{httpStatus=404, message='No Encontrado'}
2018-03-09 13:37:48,520 [ERROR] Unable to start central
2018-03-09 13:37:48,520 [INFO ] finished task: Start Central, result: Start Central: failure Unable to start central
Answer
The issue is occurring cause there are missing tables into OO database, into the execution.log you will find error about missing tables.
I suggested to the customer re-install OO creating the database schema manually, after that the issue was resolved.