Hello,
I need to upgrade Certificate Authority from WS2008R2 till WS2019. WS2008R2 have only AD CS role installed.
Is there need to remove AD CS role from server? Or all I need is to backup registry, CA templates etc. and to 2 in-place upgrade :
1. Windows Server 2008R2 to Windows Server 2012 R2.
2. Windows Server 2012R2 to Windows Server 2019.
And is there some task to be done after in-place upgrade is finished?
There is also AD DC servers which are running on WS2008R2. Could I upgrade CA first and then AD DC servers or AD DC servers should be upgraded first?