That's indeed the case for a lot of things, I always wonder if it would be possible to connect to their DNS server...
And the "Microsoft Confidential" thing is there. It might be. But since the poster hide the full build number...
When someone gets their ISO's they should upload it to some mirrors just incase the server overloads.
To everyone who saw @benriga's tweet about how he got in the Insider program, he has just confirmed that there are no downloads available yet! Everybody chill out!
Tried resolving prev.windows.microsoft.com using Microsoft's publicly listed DNS servers microsoft.com nameserver = ns2.msft.net microsoft.com nameserver = ns3.msft.net microsoft.com nameserver = ns4.msft.net microsoft.com nameserver = ns5.msft.net microsoft.com nameserver = ns1.msft.net None of those DNS servers seem to accept public DNS queries.
WIMaging? Boot into an install disc, go into Recovery, load the Command Prompt, then image the drive partition with the contents of a WIM file.
When I visit preview.microsoft.ccom it says: "You do not have permission to view this directory or page."