vCenter 5.5 service fails to start

Few days ago when I was preparing vSphere Self-Signed certificates article I found out that vCenter is down. I notice that vCenter 5.5 service fails to start with very “interesting” general error message which did not say much. I haven’t actually used my lab for while and I suspected that something went wrong with my Database. However, I checked all components, Databases, users, passwords and so on but I did not found anything. Only place, I haven’t looked yet was vCenter logs. In order to have fresh generated log and avoid searching in bunch of files I attempt to start service again with of course expected result, failure.

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