Verifying Network Connectivity
Although a Windows Server 2008 R2 computer can be used by itself without connecting to a network, you will not harness much of the potential of the operating system without network connectivity. Because the fundamental purpose of a network operating system is to provide resources to users, you must verify network connectivity.
Basic Connectivity Tests
Before you begin to install Active Directory, you should perform several checks of your current configuration to ensure that the server is configured properly on the network. You should test the following:
At least one network adapter should be installed and properly configured on your server. A quick way to verify that a network adapter is properly ...