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I have a bit of a boggle.

If my server restarts for some reason - auto update, datacentre issues, any other reason - Can an MSSQL database service still be accessed by remote users despite not having been logged on? (assume the service is set to auto start)

Additionally, could a custom made and installed WCF service also be accessed without any changes, or would that need some sort of modification? (also assume it is set to autostart)

I know that some services are certainly avaliable at the winlogon prompt - remote desktop springs to mind (otherwise id never be able to log on!)

Takarii
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Yes, services by definition run independent of any interactive logons ("in the background" so to say). The "Service Manager" in Windows takes care of setting up a token and starting the program under its dedicated account.

Custom services can be created as long as they implement the required APIs:

u1686_grawity
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  • So as its a service it is still going to be running, where as a server application would cease to run as it requires a logon? – Takarii Nov 14 '16 at 14:00