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Inbox fails to sync on WM device

Document #:10498

Applies To:

MailSite 9.x

Synopsis:

The inbox still fails to sync on a WM device despite the settings being correct. Other folders under the inbox such as sent items also do not sync items to the WM device.

More Information:

This can occur because a Microsoft tool called URLScan is installed on the server. This tool rejects the http requests that MailSite activesync is using.

To check this is what is happening:

Open the URLScan log on the server, probably inside the directory C:\WINDOWS\system32\inetsrv\urlscan\logs
You should then find lines in there similar to [09-17-2008 - 16:18:35] Client at 10.42.44.xxx: Sent verb 'OPTIONS', which is not specifically allowed. Request will be rejected.

Resolution

To stop this behaviour:

Open the UrlScan config file at C:\WINDOWS\system32\inetsrv\urlscan\urlscan.ini
Find the [AllowVerbs] Section and add 'OPTIONS' just below GET, HEAD, and POST
Find the [DenyVerbs] section and remove 'OPTIONS' from the list
Restart IIS and restart urlscan by running urlscan.exe in the same directory.

Last revised 2009-4-2

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