Under OWA 2010, users can click the upper right ? button and then select "About" which will display lots of technical information such as CAS hostnames to the user in case they need it for 'troubleshooting purposes'. Is there a way to conceal or disable this feature?

Hi, As per my knowledge, it can’t be configured in the Exchange server and client and it is related to the coding. And you will get more if you post it to Exchange Development forum : http://social.technet.microsoft.com/Forums/en-US/exchangesvrdevelopment/threads Hope this helps. ThanksPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.