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This is the same question:<br />
<a href="https://www.experts-exchange.com/questions/22610480/How-to-solve-it.html" rel="ugc">https://www.experts-exchange.com/questions/22610480/How-to-solve-it.html</a><br />
<br />
Please update whether the issue is resolved with earlier question's answer?
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Event Type: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Error<br />
Event Source: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Server ActiveSync<br />
Event Category: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;None<br />
Event ID: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3005<br />
Date: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6/7/2007<br />
Time: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12:07:49 AM<br />
User: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DMATEK\Ilan<br />
Computer: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;UPSILON<br />
Description:<br />
Unexpected Exchange mailbox Server error: Server: [Upsilon.Dmatek.com] User: [Ilan@homefreesys.com] HTTP status code: [409]. Verify that the Exchange mailbox Server is working correctly. <br />
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For more information, see Help and Support Center at <a href="http://go.microsoft.com/fwlink/events.asp" rel="ugc nofollow">http://go.microsoft.com/fwlink/events.asp</a>.<br />

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Event Type:	Error
Event Source:	Server ActiveSync
Event Category:	None
Event ID:	3005
Date:		6/7/2007
Time:		12:07:49 AM
User:		DMATEK\Ilan
Computer:	UPSILON
Description:
Unexpected Exchange mailbox Server error: Server: [Upsilon.Dmatek.com] User: [Ilan@homefreesys.com] HTTP status code: [409]. Verify that the Exchange mailbox Server is working correctly. 

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.


This is the same question:
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Q_22610480.html

Please update whether the issue is resolved with earlier question&amp;#39;s answer?

how to solve it?

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.