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Please refer this article by alanhardisty <br />
<br />
<a href="https://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_1798-Exchange-2003-Activesync-Connection-Problems-FAQ.html" rel="ugc">https://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_1798-Exchange-2003-Activesync-Connection-Problems-FAQ.html</a><br />
<br />
Make sure Exchange-oma Virtual Directory Authentication is set to Integrated &amp;&nbsp;Basic.<br />

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Please refer this article by alanhardisty

https://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_1798-Exchange-2003-Activesync-Connection-Problems-FAQ.html [https://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_1798-Exchange-2003-Activesync-Connection-Problems-FAQ.html]

Make sure Exchange-oma Virtual Directory Authentication is set to Integrated & Basic.


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Some more info if you need it.<br />
<br />
<a href="http://www.eventid.net/display.asp?eventid=3005&eventno=2656&source=Server" rel="ugc">http://www.eventid.net/display.asp?eventid=3005&eventno=2656&source=Server</a>&nbsp;ActiveSync&amp;phase=1
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Some more info if you need it.

http://www.eventid.net/display.asp?eventid=3005&eventno=2656&source=Server [http://www.eventid.net/display.asp?eventid=3005&eventno=2656&source=Server] ActiveSync&phase=1

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This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.

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New server build, all other parts of server works fine. <br />
event viewer ; event id 3005 with a HTTP 409 error.
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New server build, all other parts of server works fine. 
event viewer ; event id 3005 with a HTTP 409 error.

SBS 2003 OMA not functioning

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.