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what version of iphone you are using?
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have you setup the throttling policy on exchange correctly?
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have you setup the throttling policy on exchange correctly?

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Haven't done anything to throttling except what is default.
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Haven't done anything to throttling except what is default.

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then further you will need to check the IIS logs to further troubleshoot the issue, more information can be retrieved from the IIS logs
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then further you will need to check the IIS logs to further troubleshoot the issue, more information can be retrieved from the IIS logs

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ActiveSync is enabled for the user on their mailbox right?
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ActiveSync is enabled for the user on their mailbox right?

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I will have to look. It might not be as these are new users. Would this be in AD u&amp;c?
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I will have to look. It might not be as these are new users. Would this be in AD u&c?

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it activesync is not enabled connection will not also establish from phone to server. &nbsp;I suggest you to kindly remove the account from the device and then restart and reconfifure the account. Kindly refer <br />
<br />
<a href="https://discussions.apple.com/thread/6541881" rel="ugc">https://discussions.apple.com/thread/6541881</a>
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it activesync is not enabled connection will not also establish from phone to server.  I suggest you to kindly remove the account from the device and then restart and reconfifure the account. Kindly refer

https://discussions.apple.com/thread/6541881 [https://discussions.apple.com/thread/6541881]

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Exchange active sync is enabled. I also just tried this on an android and it didn't work at all. Outlook externally works fine though.
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Exchange active sync is enabled. I also just tried this on an android and it didn't work at all. Outlook externally works fine though.

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We have an exchange 2010 server. Connecting to it with outlook works fine. If we try with a iPhone it will create connection but when you go to inbox no email will show up. <br />
Wondering if any one has seen this before?
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We have an exchange 2010 server. Connecting to it with outlook works fine. If we try with a iPhone it will create connection but when you go to inbox no email will show up. 
Wondering if any one has seen this before?

iPhone and Exchange 2010

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

An email client, email reader or more formally mail user agent (MUA) is a computer program in the category of groupware environments used to access and manage a user's email. A web application that provides message management, composition, and reception functions may internally act as an email client; as a whole, it is commonly referred to as webmail. Likewise, email client may be referred to a piece of computer hardware or software whose primary or most visible role is to work as an email client. Email clients can also have other systems, like calendars, notes and contact managers.

Email Clients

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.