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I have a network with several servers. &nbsp;DC is running W2K3 Standard; mail server running W2K3 Standard with Exchange 2003 Enterprise SP2 (Version 6.5 Build 7638.2). &nbsp;Everything runs fine (OWA, OMA) but ActiveSync will not work on the MS Mobile Device emulator or new iPhone. &nbsp;The emulator can not see the Exchange server; the iPhone fails when authenticating.<br />
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Any advice would be helpful.<br />
<br />
Thanks
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I have a network with several servers.  DC is running W2K3 Standard; mail server running W2K3 Standard with Exchange 2003 Enterprise SP2 (Version 6.5 Build 7638.2).  Everything runs fine (OWA, OMA) but ActiveSync will not work on the MS Mobile Device emulator or new iPhone.  The emulator can not see the Exchange server; the iPhone fails when authenticating.

Any advice would be helpful.

Thanks

Exchange ActiveSync Not Working AT ALL

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 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

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.