The exchange version is 2013 CU3. When the user log in owa , there has no default language select page. The owa is English, we has five mailbox server, when the database copy is active on server mbx03 , the owa language is english ,and it's can't been
changed.I have restart this server and try to rebulid the owa and ecp .it's not working.
The nomal page should be like this
I don't know why. I have check there is no related error or warning in the system log. Could someone help me out of this，Thank you ~~