Domain Controller In Place Upgrade

This issue can address using the in place upgrade method.

Domain controller in place upgrade. Accept the license agreement and click on next. Doing so the replica domain controllers can get information from the dc about its latest version copies the new sysvol etc. Connect to a domain controller that doesn t own any fsmo roles.

Next choose whether download updates right now or not. In this method we upgrade the operating system of the running domain controller. Adprep exe domainprep begin windows server in place upgrade.

If you are doing an in place upgrade of an existing domain controller to the windows server 2016 operating system you will need to run adprep forestprep and adprep domainprep manually. I won t bore you with the whole upgrade bit its pretty much a next next next job. You will need to run adprep forestprep and adprep domainprep manually.

In following table you can find the versions it can upgrade in to. If you are doing an in place upgrade of an existing domain controller to the windows server 2016 operating system you will need to run adprep forestprep and adprep domainprep manually. There is one last command to execute before windows installation can proceed you ll need to run the following command to update the domain wide information.

Then mount the iso and run setup exe. The recommended way to upgrade a domain is to promote domain controllers that run newer versions of windows server and demote older domain controllers as needed. Adprep forestprep needs to be run only once in the forest.

Domain controller upgrade steps. Adprep forestprep needs to be run only once in the forest. However in a production environment i would highly recommend building new active directory controllers and then decommissioning your legacy domain controllers.