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Have you changed password or anything on the Server recently? <br />
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I had similar problems with my users iphones, sometimes switch off/on resolved it and sometimes I need to reconfigure the whole Exchange account. In one occassion, I need to do a Reset Network Settings on the phone (I can assure you that doing a reset network setting will NOT remove any of your existing stuff).
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Have you changed password or anything on the Server recently?

I had similar problems with my users iphones, sometimes switch off/on resolved it and sometimes I need to reconfigure the whole Exchange account. In one occassion, I need to do a Reset Network Settings on the phone (I can assure you that doing a reset network setting will NOT remove any of your existing stuff).

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I will try that first. &nbsp;How do I do a network reset?<br />

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I will try that first.  How do I do a network reset?


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I reset the network settings on the Iphone, Still getting &nbsp; &quot;&nbsp;Unable to verify account information&quot;<br />
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Nothing was changed on the server.
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I reset the network settings on the Iphone, Still getting   " Unable to verify account information"

Nothing was changed on the server.

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What exchange services would control this?<br />

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What exchange services would control this?


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From my experience you may need to disable SSL and Form base authentication - not 100% sure if that is critical but there was what I did to my network and it works. You probably need to consult with other experts to see if that's the case, and of course the risk you are exposing yourself in.
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From my experience you may need to disable SSL and Form base authentication - not 100% sure if that is critical but there was what I did to my network and it works. You probably need to consult with other experts to see if that's the case, and of course the risk you are exposing yourself in.

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I do not feel the question was answered.
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I had exchange working on my Iphone for a week. &nbsp;Now I can't the any email.<br />
I keep getting &quot;&nbsp;Unable to verify account information&quot;<br />
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I checked and OWA from the inside and the outside is working correctly.<br />
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I had exchange working on my Iphone for a week.  Now I can't the any email.
I keep getting " Unable to verify account information"

I checked and OWA from the inside and the outside is working correctly.



Exchange setup on Iphone4

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

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).

Microsoft Forefront, formerly known as Internet Security and Acceleration Server (ISA Server), is a network router, firewall, antivirus program, VPN server and web cache that runs on Windows servers. It includes identity management and protection systems, and discontinued systems for threat management and network protection, along with protection for Sharepoint and Exchange. The scope of discussions includes forward and reverse proxy, application and service publishing, virtual private networks (VPNs), outbound access rules, SSL certificates and network routing within either a single node or an highly-available array pairing.