OWA2010 Problem after installation of Exchange 2010 SP1 Rollup1

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Yesterday I installed the rollup1 of exchange 2010 sp1.

Now I have problems with OWA 2010.

After the OWA-Login I receive the following error messages:

Outlook Web App konnte nicht initialisiert werden.

Es wurde kein Basisdesign gefunden. Das Basisdesign muss sich in einem Ordner mit einem Namen = "base" befinden.

Outlook Web App konnte den folgenden Designordner nicht laden: C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\owa\\themes\violet

Die folgenden Dateien fehlen: premium.css, gradienth.png, gradientv.png, csssprites.css, csssprites.png, csssprites2.css, csssprites2.png

The english translation would be:

OutlookWebApp could not be initialised. No base design was found. The base design should be located in a directory named "base".

On the exchange server the eventids are 26 and 116. The event source is 'MSExchange OWA'.

Kind regards,



Tino Donderwinkel [MVP]

Please confirm that the custom theme you are using ('violet') is present at the location mentioned;

C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\owa\\themes\violet

Could be that the theme is in 'another' themes location like;

C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\owa\<previous version>\themes\violet

You can simply copy the theme to the correct location.

Furthermore, check if the correct permissions are set on the theme's folder.


AndyD_ [MVP]

When you ran SP1 RU1 originally, did you run it as an elevated account?


I ran it as part of windows update. I'm not sure if this means that it runs as an elevated account.
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