I have been experiencing on all my SBS 2011 servers a problem with server becoming unresponsive for several minutes every hour. After researching throughout the web I found to look at my Shadow Copy. When in the tab it is showing at least one volume or \\?\(......). These are not in the system, nor ever have been and I believe could be causing my issue. All the servers I am having the problem on all have this extraneous volume. Any help would be much appreciated.