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Exchange Active Sync stopped working.

Excahage 2013 Active Sync stopped working.

In IIS ActiveSync Authentication is set to Basic. And HTTP redirect is not enabled.

Connectivity analyzer shows the following error:

             Attempting to send the OPTIONS command to the server.
     Testing of the OPTIONS command failed. For more information, see Additional Details.
            Additional Details
     An HTTP 403 forbidden response was received. The response appears to have come from IIS7. Body of the response: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>IIS 8.5 Detailed Error - 403.0 - Forbidden</title> <style type="text/css">  </style> </head> <body> <div id="content"> <div class="content-container"> <h3>HTTP Error 403.0 - Forbidden</h3> <h4>You do not have permission to view this directory or page.</h4> </div> <div class="content-container"> <fieldset><h4>Most likely causes:</h4> <ul> <li>This is a generic 403 error and means the authenticated user is not authorized to view the page.</li> </ul> </fieldset> </div> <div class="content-container"> <fieldset><h4>Things you can try:</h4> <ul> <li>Create a tracing rule to track failed requests for this HTTP status code. For more information about creating a tracing rule for failed requests, click <a href="http://go.microsoft.com/fwlink/?LinkID=66439">here</a>. </li> </ul> </fieldset> </div> <div class="content-container"> <fieldset><h4>Detailed Error Information:</h4> <div id="details-left"> <table border="0" cellpadding="0" cellspacing="0"> <tr class="alt"><th>Module</th><td>   ManagedPipelineHandler</td></tr> <tr><th>Notification</th><td>   ExecuteRequestHandler</td></tr> <tr class="alt"><th>Handler</th><td>   AirSyncHandler</td></tr> <tr><th>Error Code</th><td>   0x00000000</td></tr> </table> </div> <div id="details-right"> <table border="0" cellpadding="0" cellspacing="0"> <tr class="alt"><th>Requested URL</th><td>   https://ex1.internal.abcdefg.com.au:444/Microsoft-Server-ActiveSync/Proxy/default.eas</td></tr> <tr><th>Physical Path</th><td>   C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\sync\Proxy\default.eas</td></tr> <tr class="alt"><th>Logon Method</th><td>   Basic</td></tr> <tr><th>Logon User</th><td>    abcdefg \administrator</td></tr> </table> <div class="clear"></div> </div> </fieldset> </div> <div class="content-container"> <fieldset><h4>More Information:</h4> This generic 403 error means that the authenticated user is not authorized to use the requested resource. A substatus code in the IIS log files should indicate the reason for the 403 error. If a substatus code does not exist, use the steps above to gather more information about the source of the error. <p><a href="http://go.microsoft.com/fwlink/?LinkID=62293&IIS70Error=403,0,0x00000000,9600">View more information »</a></p> </fieldset> </div> </div> </body> </html> HTTP Response Headers:
request-id: 77c81a37-7558-4f77-a6e2-e407bebcea13
X-CalculatedBETarget: ex1.internal. abcdefg.com.au
X-MS-BackOffDuration: L/-470
X-DiagInfo: EX1
X-BEServer: EX1
Cache-Control: private
Content-Type: text/html; charset=utf-8
Set-Cookie: ClientId=QAQXGEZLKFUBKEQ; expires=Wed, 13-Nov-2019 06:53:40 GMT; path=/; HttpOnly,X-BackEndCookie=S-1-5-21-617055167-1376514688-4289771121-500=u56Lnp2ejJqBzJrNycudy8nSx83IytLLzcjI0p6ensbSxs7KxsjNmsyanczLgYHNz87H0s7N0s7Mq8/JxcrLxc/P; expires=Thu, 13-Dec-2018 06:54:00 GMT; path=/Microsoft-Server-ActiveSync; secure; HttpOnly
Server: Microsoft-IIS/8.5
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET
X-FEServer: EX1
Date: Tue, 13 Nov 2018 06:53:59 GMT
Content-Length: 4867
Elapsed Time: 20305 ms.

Tried restarting exchange services and rebooting server.
We're unsure is this was cause by any configuration errors.

Any suggestions will be appreciated.

Thanks.

Shreedhar Ette

- Is SSL Enabled on Microsoft-Server-ActiveSync virtual directory?

- What was the recent change performed on Exchange server?

ASKER CERTIFIED SOLUTION

Shreedhar Ette

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Sajid Shaik M

check this article for Redirection

http://www.mustbegeek.com/configure-url-redirection-in-exchange-2013/

thanks and best regards

hecgomrec

Verify your IIS Authentication for your Default Web Site and each folder to match your actual security.