[EX2010] Change the OWA Language

Set-Mailbox -Identity "Katarina Larsson" -Languages "fi-FI"

De <http://technet.microsoft.com/en-us/library/bb310757.aspx>

Set-MailboxRegionalConfiguration -Identity Tony -Language da-dk -DateFormat "dd-mm-yyyy"

De <http://technet.microsoft.com/en-us/library/dd351103(v=exchg.141).aspx>

Set-OwaVirtualDirectory -identity "Owa (Default Web Site)" -LogonAndErrorLanguage <language code>

De <http://technet.microsoft.com/en-us/library/aa997435.aspx>