Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services in Registy Editor (regedit.exe under WINDOWS\system32), there lookup the service by name. Properties appear on the right of the tree.
One property that can be surely needed at some point is the location of the executable of a service. That’s the property ImagePath.
Whoever has set up an Oracle Database instance knows what I’m talking about here The story behind that, is that I made the mistake to run the script which drops everything from my scheme, whilst I had connected as sysdba Yeah, I know.. stupid. Well, not the first time Anyways, the thing is that during second set up, Oracle DB seems to highly dislike the previous instance and does not alter all the services correctly (oh, I just hope that it wasn’t left intentionally, because that would mean, the developers aren’t human beings). E.g. the OracleCSService (something to do with clustering) doesn’t shut down correctly and consequentially during the second set up the path doesn’t change. Here I had to change the ImagePath for it at the location HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\OracleCSService. As simple as that.
The truth be told, I still haven’t figured out how to properly set up a fresh instance after removing the previous. Sounds like a story for another post.
P.S. After quite a research I found a great post about a complete removal of the previous installation. Find it here. I tried the method described like a hundred times already and it seems to work perfectly.
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