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Information Technology News iPhone update breaks Exchange compatibility
Information Technology News iPhone update breaks Exchange compatibility | iPhone update breaks Exchange compatibility |
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| by Jake Widman | |
| Wednesday, 16 September 2009 | |
  
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If the Exchange server is set up to demand data encryption on mobile devices, that attempt now produces an error message reading "the account [name] requires encryption which is not supported on this iPod/iPhone." The only solutions are to upgrade to a new iPhone 3GS, turn off the demand for on-device encryption at the Exchange server, or downgrade to iPhone OS 3.0. The problem is that the downgrade doesn't necessarily support encryption; rather, it suggests that up till now, the older OS had been falsely reporting to Exchange that encryption was supported. That would mean that users have been carrying around insecure, unencrypted data on their iPhones and iPod Touches while believing they were meeting the security policies established by the Exchange server. The OS upgrade fixes that security hole, but at the cost of disabling Exchange access for most of the devices already in the field -- and, some point out with anger and dismay, betraying Apple's promises of enterprise-level security. So far, Apple has not addressed the issue, so it is unknown whether the OS can be modified to support encryption on older devices, or indeed whether those devices can manage encryption at all. |
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