If in the installation directory server computer network set up a DNS server, to ensure it is available, it is best to remove not use DNS Settings, when configuring network service as far as possible don't add now don't need to network equipment and network service,
For example, in the network configuration of Windows environment as far as possible with minimal configuration: Microsoft network client; Microsoft network file and printer sharing; Internet protocol (TCP/IP),
If the DNS server configuration, will guarantee is available, it is best to get rid of the DNS configuration is not available, so that we can improve the query speed of directory service,
At the same time to get rid of the TCP/IP netbios (disabled) in advanced configuration can also improve the connection speed,