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BuildingGreen, had the same issue with my Samsung, and this worked for me: <a href="http://answers.microsoft.com/en-us/winphone/forum/wp7-sync/activesync-error-86000c0a-on-wp7/8ece8c3f-a184-45ce-998d-a8fd4b2d42b4" rel="ugc nofollow">http://answers.microsoft.com/en-us/winphone/forum/wp7-sync/activesync-error-86000c0a-on-wp7/8ece8c3f-a184-45ce-998d-a8fd4b2d42b4</a>&nbsp;
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BuildingGreen, had the same issue with my Samsung, and this worked for me: http://answers.microsoft.com/en-us/winphone/forum/wp7-sync/activesync-error-86000c0a-on-wp7/8ece8c3f-a184-45ce-998d-a8fd4b2d42b4 [http://answers.microsoft.com/en-us/winphone/forum/wp7-sync/activesync-error-86000c0a-on-wp7/8ece8c3f-a184-45ce-998d-a8fd4b2d42b4] 

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Unable to Sync Windows 7 phone with Exchange 2010 - Activeync Error 86000C0A<br />
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Troubleshooting we have tried:<br />
- Matched settings with another phone that where ActiveSync is working, SSL is on, password is correct, domain name is correct, mail server name is correct<br />
- Wiped the phone<br />
- Tried another phone of the same model and OS<br />
- Checked the inherit permissions box in the advanced security area of the active directory user account.<br />
- Deleted the active directory user account and restored it to last week, before the problem started. &nbsp;Unfortunately we can't think of anything that has changed that may have caused this.<br />
<br />
Is it worth to call our wireless carrier Verizon? &nbsp;We could also delete the user account and make a new one, if we cannot come up with any other ideas.<br />
<br />
I can turn on basic logging or advanced logging when setting up activesync on the phone, but I have no idea where these logs save to.<br />
<br />

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Unable to Sync Windows 7 phone with Exchange 2010 - Activeync Error 86000C0A

Troubleshooting we have tried:
- Matched settings with another phone that where ActiveSync is working, SSL is on, password is correct, domain name is correct, mail server name is correct
- Wiped the phone
- Tried another phone of the same model and OS
- Checked the inherit permissions box in the advanced security area of the active directory user account.
- Deleted the active directory user account and restored it to last week, before the problem started.  Unfortunately we can't think of anything that has changed that may have caused this.

Is it worth to call our wireless carrier Verizon?  We could also delete the user account and make a new one, if we cannot come up with any other ideas.

I can turn on basic logging or advanced logging when setting up activesync on the phone, but I have no idea where these logs save to.



Unable to Sync Windows 7 phone with Exchange 2010 - ActiveSync Error 86000C0A

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

A cellular phone (also known as a mobile phone, cell phone, hand phone, or simply a phone) is a telephone that can make and receive telephone calls over a radio link while moving around a wide geographic area by connecting to a cellular network provided by a mobile phone operator, allowing access to the public telephone network. Mobile phones that offer services such as text messaging, email, Internet access, business applications, gaming, photography and more general computing capabilities are referred to as smartphones.