Updating cp3505 dc controller
There isn’t any significant changes when upgrading Active Directory Domain Services from Windows Server 2012 R2 to Windows Server 2016 level. Even Windows Server 2012 came with the feature that allows you to perform all necessary updates to AD DS schema directly from GUI I have always performed schema updates from command prompt manually, I really want to see what’s happening underneath the hood.
DC promotion can be done in different ways, from GUI or with Powershell.As with any major change you make to your production servers, you should test the procedure in a preproduction environment using servers with the same configuration as your production systems.In this article, I have documented the steps I took to update our two domain controllers to Server 2012 R2 from Server 2008 R2.Schema update itself is straightforward and safe operation.Keep in mind that operation itself is irreversible so only option to rollback to earlier state is forest recovery.Toolset was originally created by Microsoft PFE and can be modified to fit your needs.
As a critical part of your IT infrastructure, domain controllers (DC) should be assigned a static IP address so that they can be reliably discovered across the network.
Couple links below, first one is Best Practice for schema updates and second one is for getting report out of AD DS schema: Upgrade As I said I’m always performing schema updates manually from command line, old fashion way:) Adprep tool is found from W2016 media support\adprep path.
Commands below In production environment I’ll either disable replication before committing changes or perform update following Microsoft best practices (live option).
Reason for this is that when administrators disabled replication from Domain Controllers during schema update they forgot to enable it again and it caused lots of tickets to Premier Support.
In general you have two options, go live and trust your disaster recovery plans or perform schema update by disabling replication.
Will include Critical install instructions Q5982-Instructions_kit (instructions may be purchased separately).