Microsoft KB Archive/924232

= Exchange 2003 SP2 EAS / HTTP 403 errors =

Article ID: 924232

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition

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Source: Microsoft Support

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SYMPTOMS
Exchange Active Sync failed

Errors:

Error Code 0x85010004 http 403 excerpt from device log (in the case notes) =-=-=-= Server Response =-=-=- HTTP/1.1 403 Forbidden Content-Length: 1529 Content-Type: text/html Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET Date: Thu, 16 Feb 2006 15:35:44 GMT



CAUSE
EAS had worked until a 3rd party product called SiteMinder was introduced to force two factor authentication to the FE server.

This did not work (because the PPC clients don't yet support client certificate authentication), so they removed SiteMinder and went back to the original configuration.

SiteMinder snaps into IIS and had apparently modified something in the virtual directory.



RESOLUTION
Rebuilt the EAS virtual directory that had been created for Active Sync. (this FE server was only configured for Active Sync, it is not serving OWA and does not have an Exchange Virtual directory. The default web site has been stopped and OMA/EAS are set up under a new EAS virtual directory)



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