Back when BlackBerry was the mobile phone of choice, you would insert BlackBerry Enterprise Service (BES) servers into your environment to get a ton of mobile device management (MDM) settings for strong control over your mobile environment. When the iPhone took off, other providers came out with MDM servers for iOS and Android that did what BES does for BlackBerry — again at the cost of having to implement a mobile management infrastructure on top of your existing communications and security infrastructure.

If you didn’t invest in an MDM infrastructure, all you could rely on were a handful of Exchange ActiveSync (EAS) policy settings (such as for passwords) that they could use via Exchange 2007. Although the EAS policies evolved in later Exchange versions, and are also available for use by third-party tools, EAS’s capabilities never came close to a full-blown MDM server’s capabilities.

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