Money's always an interesting topic in the technology world. Everyone acknowledges it plays a big part in the decisions they make, but no one ever says it was the defining factor.

It's always a secondary issue, behind interoperability, stability, support and all the other issues that go into a complex technology decision.

No smart IT person ever makes a product or vendor decision only based on the money involved. Even when the choice is between two products that are virtually identical, but for the price. It's the tech specs that qualify both products for consideration, before the cost is able to skew opinion one way or another.

A lot of analysts are poo-pooing the role the very low cost of Hyper-V will have with customers who are deciding between it and VMware for virtual servers.

It's the technical comparison that will make the difference, they say.

Certainly even users Microsoft enrolled in the publicity campaign accompanying the Hyper-V rollout said cost is not the main issue.

Chris Steffen, principal technical architect at Kroll Factual Data told me the real benefits were in how closely Hyper-V approximated the Windows Server environment he was already set up to support and how well the whole setup worked in his shop (which was flooded with Microsoft techs, linked directly to Microsoft OS developers and had top-level Microsoft product managers on speed dial). "We're obviously not a typical case," he says.

Performance, flexibility, scalability and security were big issues for Jonathan Wynn, manager of advanced technology and collaborative services at Del Monte, who also has VMware running in-house and is currently choosing between them.

Cost will play a significant role, he says. But not the primary one.

And that's the issue, really. Cost will be one of the top issues for nearly ever company deciding between VMware and Microsoft for their virtualization. But it will be the primary cost for companies deciding between Microsoft virtualization and not being able to afford virtualization at all.

It may also be the deciding factor for companies trying to decide whether virtualization is right for them at all (a category that will disappear within five years, when virtualization becomes the norm, rather than an option in server-based computing).

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