Upgrade Windows Server 2008 R2 to Windows Server 2012 R2

Upgrade Windows Server 2008 R2 to Windows Server 2012 R2

1. Prepare

- DC1 : Domain Controller

- DC3 : Domain member , OS Windows Server 2008 R2

- Windows Server 2012 R2 DVD

2. Step by step

- DC3 :

+ Insert Windows Server 2012 R2 DVD and Upgrade

[diegogondim]

the old programs and softwares stay ?

[enzobrn]

if it DC:

firstly lunch in cmd or ps as Domain admin:

1)
dcdiag

2)
adprep /forestprep

3)
adprep /domainprep /gpprep

kms key for WS 2008 R2
D2N9P-3P6X9-2R39C-7RTCD-MDVJX