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Has/have the user(s) changed passwords on the server lately? &nbsp;If they have - they need to manually change the password on the iPhone to their mailbox and then sync again as it will be trying the old password.<br />
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If not - reset the password in the server and iPhone and sync away.
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Has/have the user(s) changed passwords on the server lately?  If they have - they need to manually change the password on the iPhone to their mailbox and then sync again as it will be trying the old password.

If not - reset the password in the server and iPhone and sync away.

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delete the exchange account on those iphones and reconfigure.
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delete the exchange account on those iphones and reconfigure.

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No they have not reset it latley, well since they got Iphone anyways. Sometimes it seems to appen if Iphone has been dormant for a few hours. I did just adjust one setting and i am waiting to see if it could be a fix. I added .local to the domain name setting on the ipone.<br />
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lets keep fingers crossed.
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No they have not reset it latley, well since they got Iphone anyways. Sometimes it seems to appen if Iphone has been dormant for a few hours. I did just adjust one setting and i am waiting to see if it could be a fix. I added .local to the domain name setting on the ipone.

lets keep fingers crossed.

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I have about 15 new iPhone users. All have been set up in Exchange 2010 to allow active sync. Most work fine, but I have one 3 or 4 users who lock the active directory password on them every 12 to 24 hours. The phone will all of a sudden start popping up a message stating &quot;Wrong Exchange &nbsp;Password&quot; . All settings look same . Any ideas? They have brand new Iphone 4S with 5.1 on it.
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I have about 15 new iPhone users. All have been set up in Exchange 2010 to allow active sync. Most work fine, but I have one 3 or 4 users who lock the active directory password on them every 12 to 24 hours. The phone will all of a sudden start popping up a message stating "Wrong Exchange  Password" . All settings look same . Any ideas? They have brand new Iphone 4S with 5.1 on it.

Iphone locking Active directory accounts

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

All of Apple's hardware is produced solely by Apple Inc., who determines internal systems, designs, and prices. Apple buys certain components wholesale from third-party manufacturers. The current Mac product family uses Intel x86-64 processors. All Mac models ship with at least 1 GB RAM as standard. Current Mac computers use ATI Radeon or nVidia GeForce graphics cards and include a dual-function DVD and CD burner, called the SuperDrive. Current Apple hardware includes the iPad, iPhone, iMac, Mac Pro, Macbook, iPod and Apple TV. Discontinued hardware includes the Apple I, Apple II, and the Apple III, the Lisa, the Newton, the Quadra, Performa, Centris, Macintosh II and LC series, the Power Macintosh, iBooks and the MacBook.

Apple Hardware

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.