Microsoft KB Archive/906512

= You receive an &quot;HTTP_500&quot; error message when you try to synchronize a mobile device with a server that is running Windows Small Business Server 2003 =

Article ID: 906512

Article Last Modified on 12/3/2007

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APPLIES TO


 * Microsoft Windows Small Business Server 2003 Standard Edition
 * Microsoft Windows Small Business Server 2003 Premium Edition

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SYMPTOMS
When you try to synchronize a mobile device with a server that is running Microsoft Windows Small Business Server 2003 (Windows SBS), you receive the following error message on the mobile device:

Synchronization failed due to an error on the server. Try again. Error code: HTTP_500



CAUSE
This problem occurs if you installed Microsoft CRM on the Windows SBS server without configuring the Microsoft CRM server Web site to use a host header. When the mobile device tries to synchronize Microsoft Server Active Sync (MSAS), the synchronization request is redirected to a specific Microsoft Internet Information Services (IIS) virtual directory. This request is answered by Microsoft CRM.



RESOLUTION
To resolve this problem, follow these steps:  On the Windows SBS server, click Start, point to All Programs, point to Administrative Tools, and then click Internet Services Manager. In the Internet Services Manager management console, expand the server that is running IIS and that contains the Web site that you want to modify. Expand Web Sites, right-click Microsoft CRM Version 1.2 Web, and then click Properties. On the Web Site tab, click Advanced. Click Add, and then follow these steps:  In the IP address box, change the setting from All Unassigned to the IP address of the server.</li> Set the TCP port to 80.</li> In the Host Header box, type a name as the alias for Microsoft CRM access. For example, type mycrmserver .</li></ol> </li> Click OK.</li></ol>

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MORE INFORMATION
Note If you install Microsoft CRM on the Windows SBS 2003 server without following the steps that are described in the following document, the host headers will not be correctly configured. Therefore, synchronization will not work.

For more information about how to install Microsoft CRM 1.2 on a Windows Small Business Server 2003 network, download the &quot;Installing and Securing Microsoft CRM 1.2 on a Windows Small Business Server 2003 Network&quot; document. To do this, visit the following Microsoft Web site:

http://download.microsoft.com/download/7/0/8/7088e40b-af99-4657-a1a0-948efb996196/Installing_and_Securing_CRM_on_SBS.doc

Keywords: kbtshoot kbprb KB906512

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