This article addresses the issue where Orion Services do not start after a reboot when they are installed on the same server as the Orion database.
Orion 2015.x and earlier
When SQL is installed on the same server as Orion, the SQL service and SQL instance may take some time to start up the Orion services. If they start before the SQL instance is servicing, connections may be unable to open and may fail to start up.
Set the SolarWinds services Startup type to Automatic (Delayed Start) using the Windows Services MMC. See the Step-by-Step Guide to the Microsft Management Console.