Thanks Tomas. On Windows servers, in step 1, the oldver folder contains HansaWorld.EXE, so when copying this back to the cloudnode folder, it must then be renamed to hansa-cloudnode.exe before starting the service.
I would like to know what BackgroundHALShouldPause does, and how to use it. While it's listed in the HAL Primitives report, it is not used in source code and it doesn't appear in the LMS HAL...