If your links are good (which it sounds like they are), you should be fine with 5-7 workstations reporting across the link. I think 50-60 computers would be the limit where you might want to think about a Secondary Site server. But, there are other factors too, such as link saturation, etc.
Dig deeper on Microsoft Group Policy Management
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.