Microsoft’s upcoming Windows Home Server will most likely be a runaway success — it solves a problem that tens of milllions of households have. Statistics Microsoft cites on the Home Server blog back that up — and the numbers are even bigger than I imagined.

Back in 2005, Microsoft did research to find out if there would be a big enough market for Home Server, and the numbers, even then, were eye-popping. The Home Server blog notes that Microsoft found this in 2005:

* More than 15 million households in the US, and more than 40 million worldwide, had a broadband connection with two or more PCs sharing the Internet connection.

* More than 90% of those households have a digital camera.

* Seventy percent of the households own a game console.

* Less than 20% believe they have a good backup solution.

Remember, these are 2005 numbers. Today, you can expect the numbers to be even bigger.

It’s interesting that Microsoft cites backup as the primary need for the Home Server, because the company itself is primarily to blame for people having no good backup solutions. The backup software included with XP isn’t particularly usable — it won’t back up to CDs or DVDs, for example. And as for the backup tool, included in Vista, the less said about it the better.

Still, the backup and sharing capabilities built into Home Server appear to be considerable; I, for one, can’t wait to get my hands on it.