Agreed, always set a max.

The additional licensing cost is the biggest issue I can think of.

Take away their access!

Hi. No, that's not possible.

So did you look in the system event log?

Then set up read-only routing, and require them to connect with application intent = readonly.

Make sure you have a file-share witness at a third site.

Those are very good points from Jeff. However I know some employers really don't take an interest in developing their staff or paying them properly, so there does come a...

No, you don't have shared storage with Availability Groups. Each instance has its own storage. You need to configure the cluster such that it does not take control of the...

I think the advice varies slightly depending on where you live and what kind of work you're looking for. A lot of employers these days value demonstrable experience over certifications;...

- Are you using a group managed service account? I think so but I want to check.
- Does your account have permission to register SPNs? You can check in...

What Eirikur said.

I'd say all you can do is test it. It's very easy to change a replica from synchronous to asynchronous though- you can do it on the fly.