MS Exchange ActiveSync 2007 Denying Select Devices

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The way that Blackberries are done, every mobile device must have an account created and then given an activation password prior to syncing which effectively prevents unauthorized devices on the network.

Based on what I've read, it appears that by default all devices can connect to ActiveSync providing you don't have it 1) disabled; 2) don't have the policy setting preventing any device that cannot support ActiveSync to be prevented from accessing Exchange.

So the question is who do I let on some devices but not others?

I read something about blocking policies, should I be selecting devices by group and setting up a block on each device type? Or is a way to block by default and allow only the ones I want on?

Or what's the best way to accomplish this?

Ed Crowley [MVP]

I've normally seen it enforced on the mailbox rather than the device since most comapnies don't issue non-Blackberry mobile devices; users typically obtain their own.Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."


Q: “should I be selecting devices by group and setting up a block on each device type?”

It"s up to you. You can do it on device type or device model

Q: “Or is a way to block by default and allow only the ones I want on?”

You can accomplish it by turning on the quarantine on the entire organization

Activesync Quarantine Devices

James Luo

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