The page can't be displayed

 

This article will fix your OWA ECP "This page can't be displayed" error.

Today I had a customer with OWA and ECP was not opening. It returned the error shown below. This error normally happens when the certificate binding is not correct. The steps shown below will help you clear this issue.

Open IIS Manager and open binding of Default Web Site.

Create a script
How do I open IIS Manager?

Start IIS Manager with the command line (CMD) 
%SystemRoot%\System32\Inetsrv\Inetmgr.exe

Right-click Default Web Site and click on Edit Bindings...



 

Remove  http 80
Edit






Please make sure the required bindings are there.  I noticed one binding is missing.  To add the missing binding please follow the instructions shown below.
Open the site binding window of Default Web Site  again and click on Add.

Please ensure you have configured the binding settings as shown below and then click on View to ensure you have selected the right certificate to bind.

Click on recent connections local host

Binding
httpS

When you click View you will get a popup like this to make sure you selected the right certificate.



Once you selected the right certificate click on OK.
 

You will see a new binding as in the following screenshot. Click Close.



Reset IIS using the following command in CMD

iisreset /noforce

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