<div>
Are you using a trusted third-party cert or a self-signed cert?
</div>


Are you using a trusted third-party cert or a self-signed cert?

<div>
<div class="content wysiwyg-content">
Our department just recently upgraded to Exchange 2007, using Outlook 2007 on the PC. The issue is that in Office Communicator users are now getting this error: &quot;Communicator could not retrieve calendar or Out of Office information from Exchange Web Services. Communicator will automatically continue to retry. If the problem persists, contact your system administrator.&quot; Does anyone know how to fix this issue? &nbsp; Thanks
</div>
</div>


Our department just recently upgraded to Exchange 2007, using Outlook 2007 on the PC. The issue is that in Office Communicator users are now getting this error: "Communicator could not retrieve calendar or Out of Office information from Exchange Web Services. Communicator will automatically continue to retry. If the problem persists, contact your system administrator." Does anyone know how to fix this issue?   Thanks

Office Communicator Error

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.