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Why do some topics --for example, migrating from a messaging platform like Exchange to an open standards mail server--make IT people go mute?

Whether you've taken this route or gone in the opposite direction, there are two basic scenarios in the decision-making process.

Scenario 1: Someone comes up with an idea that might better serve your customers. But it's different, and a small but influential group of senior staff shuts it down because it would change things, or because one of them knows this great vendor that could do it better and they can "prove it."

Scenario 2: Someone's new idea becomes "the fad," and suddenly you're implementing a product that half the staff knows is not the best solution. But no one stands up and says, "Prove it."

I have seen ridiculous TCO numbers concocted just to support a predetermined conclusion that matched preconceived notions.

The lesson here: If there is substantial financial risk in deploying an expensive solution, like Exchange, then maybe that figures in. But the technologies you're comfortable with and the companies you favor must not cloud your vision. It is your responsibility to find not just the cheapest solution but also one that solves your business need.

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