Tag Archives: browser

Install Office Online Server 2016

In Exchange 2013 you could use the Office Web Apps server in combination with Exchange server to view attachments online, without having to download these attachments first to the local workstation. Exchange 2016 is the successor of Exchange 2013, Office Online Server (OOS) 2016 is the successor of Office Web Apps 2013.

For an optimal user experience in Outlook on the Web you want an Outlook Online Server to view attachments online. Instead of downloading the attachment to your client workstation (not ideal when working on a non-trusted workstation) you can view it in your browser, and your browser will show something like this:

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So how does this work?

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Error 600 Invalid Request

It is possible to test the autodiscover configuration using a browser. But when navigating to the autodiscover URL https://autodiscover.contoso.com/autodiscover/autodiscover.xml you’ll see a 600 Invalid Request error message.

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When you click the Show All content button the entire XML package is shown:

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When you see this message your autodiscover configuration is absolutely fine! The reason you see this message is that the autodiscover service expects an HTTP POST command from Outlook, and not an HTTP GET command from Internet Explorer.

So, the service is good but the actual request that’s send to the autodiscover service is not good and therefore autodiscover returns the Error 600 Invalid Request message. So this error is good 🙂