As a network computer technician I've come to the choice that I don't think my small business clients that employ between 2-10 people should even bother with installing what we might consider a regular server nowadays. It is overkill, expensive and a major source of problems if something goes wrong. So what do I recommend instead? I would recommend a file server with local and offline backup. What made me come to this decision? A number of real world issues, actually.
Too many computer consultants come from an environment where they were taught and schooled on how to maintain servers. To me this is the old way of doing things. Unless you are hosting your email in-house there isn't the need for the old server.
Think about this...what services do you really want to provide that are mission critical for your clients? For my clients the most important need is a way to create and access files that are backed up on a regular basis. I have seen too many small businesses shut down for days on end because they put all of their trust in a old server and a tape backup system. Why are these servers and tapes such a problem?
Think about this for a second. If a piece of hardware fails in your server, chance are that you won't be able to replace that broken or failing part with something you can buy locally. Often times you have to call the server manufacturer and wait patiently for them to ship you a replacement part, all the while your business is at a stand still.
And tapes for backing up data? Unless you have an enormous amount of data, backing up to multiple hard drives is faster. And these hard drives will be able to access that data in other computer while you get your server fixed.
Another solution I recommend is using a service such as Dropbox to backup files. I don't completely rely on Dropbox, though. I prefer to have a physical backup of the client's data at the site of their business and then use Dropbox as a way to get a backup off-site. If anything catastrophic were to happen to the small business, such as a fire of a flood, it is easier to get a computer up and running, re-attach it to Dropbox and the data is back and ready to be used.
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