Exchange 2010: Clicking option prompts for language setting

Hi we have exchange 2010 installed in our network. And users only use Outlook Web access to checkmail.

We have a very weird problem: after creating more than 100 users ready to go now. When we login OWA and go to Option (to change settings and password) , the page is directed to Setting the Language, but when we chose a language and click OK, it brought us to the http bad request error 400 . The URL then was https://exchange/owa/lang.owa 

Users were unable to change their password via web. Please help
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Sekar ChinnakannuStaff EngineerCommented:
Remove the option Redirect requests to this destination from ISS console under OWA -> HTTP Redirect .
Johnny_NguyenAuthor Commented:
Fixed by re-setting the language for  "owa" virtual directory to English.

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Johnny_NguyenAuthor Commented:
Solution found
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