Exchange 2010 OWA loading Blank Page

If your Exchange 2010 OWA is loading with a blank page internal and external it may be due to a recent Exchange update. After installing this update, when you browse to your OWA page the URL will change to something similar to

To fix this, open Exchange Management Shell, and enter the below commands

  1. CD "C:\Program Files\Microsoft\Exchange Server\V14\Bin"
  2. updatecas.ps1

Once the updatecas.ps1 command has finished just reload your OWA page.


Reference :

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