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hello, we just setup a client on exchange 2007. their owa site uses a public cert. we have successfully gotten all of their droids to sync email wirelessly however when we do this on the iphones, it fails validation of the exchange account. We even ran a test from checkexchangeconnectiy website and our activesync looks to be in great shape. Any suggestions on what could be going on here? 
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hello, we just setup a client on exchange 2007. their owa site uses a public cert. we have successfully gotten all of their droids to sync email wirelessly however when we do this on the iphones, it fails validation of the exchange account. We even ran a test from checkexchangeconnectiy website and our activesync looks to be in great shape. Any suggestions on what could be going on here? 

validation failed on iphones

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

The iPhone is a smartphone made by Apple Inc. It and the iPad, along with several other mobile devices from Apple, run on the iOS operating system, which has its own topic, as does the iPad for device-specific questions. Native iOS applications are written in Objective-C or in Swift using the Cocoa Touch frameworks or HTML5 compiled with the help of a package manager such as Adobe PhoneGap; a common IDE is Xcode.

iPhone

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.