Office 2007 documets fail to open in UCM

 I have an SR on this but its going very slow, does or has anyone else had this issue of office 2007 documents do not open up in your UCM? The only work around is to open up the document in the native format. When try the web format it fails. I have added the file types in Config manager, restated and still nothing.

I know it is because the UCM does not reconize the new file types (MIME) but how or where to I patch/edit our UCM to fix this?

thanks