windows server 2008, 2012

I am about to migrate applications from windows server 2008 to windows server 2012 in same domain and forest
in one AD site.

applications relate to user files and folders,SCCM, SCOM,SQL server, back up exec.

1) what kind of application cannot be migrated from windows server 2008R2 to windows server 2012 enterprise
and I have to install afresh.

2) what compatibility issues I should consider or address while migrating from windows server 2008 to windows server 2012

3) what are the tools I should be concerned about migrating applications, u can name some in general.

like for ex,. file server migration tool or use robocopy

if u can name some more migrating tools.
pramod1Asked:
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arnoldCommented:
Dfs can be used to (Dfs-replication) copy and maintain synchronization.
To maintain flexibility going forward, using domain based shares maintains uniformity and flexibility to transition to a new server when needed transparently for the end user.
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chanderpal singh rathoreMicrosoft Exchange EngineerCommented:
Hi,

You can use the "ADMT 3.2 tool " to migrate your AD and go through the below link 2 to perform the operation.

and for detailed explanation you can go through the Microsoft post:

Link: http://technet.microsoft.com/en-us/library/hh994618.aspx


Link 2: http://careexchange.in/how-to-migrate-users-across-forest-cross-forest-using-admt-3-2-with-sid-and-passwords/

Good luck!!!!!!!
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arnoldCommented:
When one has two servers, one simply needs to join the new server as another DC in the environment, there is no need for ADMT.
The replication will be handled ... Transfer of roles can then be done when the old server is ready to be retired though it is often best to have two DC's in the environment.
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pramod1Author Commented:
I fully accept Arnold answer as dfs replication is the right answer
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Windows Server 2008

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