<div>
Version information? Including service pack.<br />
What has changed - things like this don't break on their own, so something was changed.<br />
<br />
Simon.
</div>


Version information? Including service pack.
What has changed - things like this don't break on their own, so something was changed.

Simon.

<div>
Thank you simon, I have installed MailEssentials which installed .NETframe 4.0 and a diff ASP.NET that the one I have right after that my OWA stopped completely working. I did uninstall MaiEssentials, the .NETframe 4.0 and reset the virtual directories and OWA started working again with the exception of the &quot;An Expected error occurred and your request couldn't be handled&quot; after I click on inbox, option, forward etc. on OWA. I have reset all virtual directories and still gives me the error. My exchange version 14.02.0247.005<br />
<br />
Thank you very much Simon
</div>


Thank you simon, I have installed MailEssentials which installed .NETframe 4.0 and a diff ASP.NET that the one I have right after that my OWA stopped completely working. I did uninstall MaiEssentials, the .NETframe 4.0 and reset the virtual directories and OWA started working again with the exception of the "An Expected error occurred and your request couldn't be handled" after I click on inbox, option, forward etc. on OWA. I have reset all virtual directories and still gives me the error. My exchange version 14.02.0247.005

Thank you very much Simon

<div>
I did uninstall and reinstall CAS
</div>


<div>
<div class="content wysiwyg-content">
I have an exchange 2010 OWA just started giving error: &quot;An Expected error occurred and your request couldn't be handled&quot; after I click on inbox, option, forward etc. on OWA. I have reset all virtual directories and still gives me the error. It gives me an event ID 3.<br />
<br />
Please help
</div>
</div>


I have an exchange 2010 OWA just started giving error: "An Expected error occurred and your request couldn't be handled" after I click on inbox, option, forward etc. on OWA. I have reset all virtual directories and still gives me the error. It gives me an event ID 3.

Please help

Exchandge 2010

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.