Validating role transfer windows domain controller
When a resolver issues a DNS query for resource record in a signed zone, a digital signature is returned with the response so that validation can be performed.
You can use either operating system in the test lab.
In most cases they can be left alone, but there are times when they need to be moved such as a failed DC.
It is a good idea to be familiar with where the roles are installed in your AD environment, you never know when a disaster will hit.
The Netdom tool is built into Windows Server 2003 and up.1. On Windows 2012 server click the start button and type cmd, windows will search and return the command prompt. From the command prompt type “netdom query fsmo” and hit “enter”.
The above command should return the five roles and which DC they are on. From the powershell command line type: Get-ADForest yourdomain | Format-Table Schema Master, Domain Naming Master The above command returns the forest FSMO roles.3.