At what point does a domain suit a network better than a workgroup?
Is there a threshold below which a domain is simply too much work for benefits gained?
Is there a point after which a workgroup is too hard to manage and a domain is more practical?
What criteria do you use to make this decision?
I don't think you can pin down a single "point" where it suddenly becomes better to use a domain vs. a workgroup.
That said, I generally consider around 5 computers to be the max size for a workgroup. Any larger than that, and domains start to have some attractive advantages that make it worth the effort.
Some criteria that might suggest a domain is the right choice:
There are some factors that make a domain impossible of course:
Like so many things, the choice of whether to set up a simple workgroup or a domain is a very personal, subjective one... anyway, these are some of the things that guide my decision when I have to make that choice. Hopefully they will help you as well.
Somewhere between five and ten users.
If you want to change your password in a workgroup, you have to change it on every computer. That's a pain in the [expletive deleted].
Domains solve this. Small Business Server is pretty cheap for what it is, and that starts at five users, which is where I came in.
SBS is fantastic if you've got 5-75 Windows desktops. Really. Get it.
If you need to centrally manage the network - set up a domain based network.
If you intend to let each user be the master and controller of his machine, go for a wourkgroup based network.