Ideally, you should be monitoring the health of AD real-time 24x7x365.
In the list of Things that keep an Active Directory administrator up at night, upgrading your touch screen games 240x400 Active Directory schema has always been near the top.In-Place Upgrade, this is the easiest and the quickest, only require to put the windows 2012 installation media to the DVD rom and do the OS Upgrade. List of Known AD Dependents.Step-by-Step for Upgrading to Windows Server 2016 The following is a simple example of upgrading the Contoso forest from Windows Server 2012 R2 to Windows Server 2016.Clean up Meta data using command line.You can do this process can do using GUI or Command prompt.
Print out AD Topology Diagram.
In windows server 2003 GUI is not supported.
If you are running this edition: You can upgrade to these editions: Windows Server 2012 Standard, windows Server 2016 Standard or Datacenter.
Rapid deployment via virtual domain controller (DC) cloning.
Close the Active Directory Users and Computers console when done.
Note the schema version from registry.Click on Next and go through the Wizard (normally leave the defaults).Deployment Configuration page select the, add a domain controller to an existing domain radio button and specify the existing domain.Direct-Access Offline Domain Join, extends offline domain-join by including Direct-Access prerequisites.Deploying New Domain Controllers The next milestone in the upgrade process, is the deployment of domain controllers running the new operating system.To avoid potential issues care must be taken to ensure a smooth transition.Once the restart has completed you can sign back.Next well transfer the Domain naming master, launch the Active Directory Domains and Trusts.