http://msmvps.com/blogs/shane/archive/2008/07/28/error-message-in-multi-server-farm.aspxI was adding a new web front end (WFE) server to a farm last week and ran into this error while running config wizard. Task configdb has failed with an unknown exception 07/21/2008 14:18:39 8 ERR Exception: System.IO.IOException: The device is not readyenCommunityServer 2008.5 SP2 (Build: 40407.4157)