Algorithm updates are not new, Google has been tweaking their search algorithm for many years in an effort to bring the quality content to the fore and to counter-act any build up of spammy or useless content.
DHCP client service won’t start – access denied,You cannot connect to the internet or your domain. This is due to the network service account having incorrect permissions, here is how to fix this issue
Mail stops flowing in exchange 2007 or exchange 2010, in event viewer you see the event id 15006 and The Microsoft Exchange Transport service is rejecting message submissions because the available disk space has dropped below the configured threshold. This can be fixed by moving the mail.que file.