Outlook Web App didn’t initialize. If the problem continues, please contact your helpdesk. Couldn’t find a base theme (folder name=base) This error is caused, when the base theme for the OWA is missing in \ClientAccess\Owa\14.1.287.0\themes. You solve this issue by running the following command in a Exchange Managment Shell: “C:\Program Files\Microsoft\Exchange Server\V14\Bin\UpdateCas.ps1?
WARNING/Disclaimer :- this tip edits the registry of your computer. Only do this if you are confident you know what your doing. For Outlook 2000 (SP3), Outlook 2002, and Outlook 2003 an update to security means that some attachments are blocked for your own protection from the nasty people of the internet… but sometimes you… Read More »