Exchange 2010 OWA White Screen

After you install Update Roll-ups on Exchange 2010, it is common to get a blank white page when browsing to your Outlook Web Access page after the update. If you navigate to your Outlook Web Access and the address is redirected to, this is a strong indication that this is your issue. This issue occurs when the Update Roll-up fails to update the CAS with it’s new files. To fix this issue you must run the Exchange Management Shell on the Exchange Server and execute the command below:

Once complete, you should now be able to navigate to your Outlook Web Access as you did prior to the update. The latest offender is the Update Roll-up 10 for Exchange 2010 SP3.

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