We often have found with many of the new routers and Windows 7 and later will default to IPv6 for all their Internet lookups when browsing the web. The issue is that seen by many is that the resolution of names in the URL are delayed until an IPv4 is used to complete the lookup. This problem started after an update by Microsoft that caused IPv6 to be preferred over IPv4.
Microsoft released a Knowledge Base article on this issue, KB2533454 - Resolving Internet connectivity issues after World IPv6 Launch (June 6, 2012). This KB article contains a Microsoft FixIt tool to change the preferred IP version from IPv6 back to IPv4
The success of a deployment of new computers in a business environment has allot to do with the process and being consistent with that process. Getting the steps out of order may cause some issue that were not expected nor will you know why one computer works fine and another doesn't.
Below is a list of steps that we often follow for deploying new computers in a business environment that has a Windows domain controller.
Occasionally we get a computer that needs a reinstallation, but they don't have the original media because they didn't create it before the computer crashed. If you have a computer with pre-installed Windows 7 or Vista, most likely you’ll notice the manufacturer’s support information when you look in the system properties window. However once the computer has been restored to working condition with OEM media, there is no logo. We often want to change the OEM logo in the computer properties dialog box so that it reflects the original installation and makes the customer feel like they got there computer back just like they bought it.
How to Customize the OEM Logo