Initial configuration of the Virtual Machines, naming:
RWDCxx-Odd
RWDCyy-Even
(The same convention can be used to create Read Only DCs (RODCxx-Odd) and Server Core installations (Coreyy-Even).
This may seem obvious, but those who are not experienced with configuring Windows may stumble with this step. Most often, the computer description is changed instead of the actual name.
Here are some more recommendations on configuring the server for lab use, including my recommendation for Automatic Updates. This recommendation is not intended for production situations.
Here are the last steps to get your servers ready for upcoming labs. This includes network configuration suggestions and taking snapshots.