Using configuration manager, I disabled the SQL Server Services for a SQL Server 2008 R2 instance. Yet, I can still connect to the instance from its replacement server, a SQL 2019 box, and query the data! Also, the jobs which I disabled are enabled and appear to have been running. Locally, I cannot connect. I'd like to understand why this is occurring.
Follow-up: There was an alias named after the old 2008 instance. When you connected using that alias on the new machine, it would connect you to the new sql instance. Hence the confusion.