How to Migrate Server 2008 R2 to Server 2012 R2
Microsoft released Server 2012 R2, Server 2012 R2 have more features and more powerful than previous versions like 2008, 2003 etc. This is a step by step guide on migrate server 2008 r2 to server 2012 r2 or Upgrade 2008 r2 to 2012 r2. Follow steps given below and upgrade your server from 2008 to server 2012.
There are two ways to do it you can directly upgrade server 2008 to server 2012. Which is not recommended or you can transfer all FSMO roles from 2008 r2 to 2012 r2. Which we are discussing in this post steps for migrating server 2008 to server 2012 is given below.
How to upgrade windows server 2008 to 2012 step by step
Name Operating System IP address Domain name
DC Server 2008 R2 192.168.0.6 thetechnosolution.com
Server2012 Server 2012 R2 192.168.0.10 domain joined
To Migrate Server 2008 R2 to Server 2012 R2 follow steps given below:
First we have to prepare server 2008 r2 for server 2012 r2 insert Server 2012 R2 DVD into Server 2008 R2 go to command prompt run command adprep /forestprep.
Type c then hit enter to continue at this process you see your current schema version is 47 and it is updating to 69 after it complete run command adprep /domainprep
After adprep successfully update the domain wide information go to server2012 for creating additional domain controller to doing this open server manger and click on add role
Click next at first screen
At installation type click next
On Server selection click next
On server role screen select active directory domain services click on add features then click next
Click on install then click on close
Click on flag then click on Promote this server to a domain controller
Select add a domain controller to an existing domain select domain click next
Confirm that both DNS and GC option are checked then type DSRM password click next
Select FQDN name in replicate from then click next
With the help of this post you can easily Migrate or Upgrade Server 2008 to 2012
Click next then click on install
Our additional DC is created now it’s time to transfer FSMO roles from 2008 to 2012 which is most important part of migrate server 2008 r2 to server 2012 r2
go to active directory check on domain controller you can see your both server names
Run command netdom query fsmo you see all roles are on DC.thetechnosolution.com now we are going to transfer these roles to server2012
Go to run type regsvr32 schmmgmt.dll hit enter
Go to run type mmc hit enter mmc window open go to file click on add or remove snap in select active directory schema click add then click ok
Right click on active directory shema then click on change domain controller select server 2012.thetechnosolution.com then click ok
Right click on active directory schema click on operation master, click on change to change schema role click yes on confirmation message
Schema masters are change from DC.thetechnosolution.com to Server2012.thetechnosolution.com click ok
Then go to active directory domains and trusts right click then select connect to domain controller then select server2012.thetechnosolution.com
Change operation masters from dc.thetechnosolution.com to server2012.thetechnosolution.com
Then go to active directory users and computers connect with server2012.thetechnosolution.com
Right click on opration masters then change all three RID, PDC and Infrastructure masters
Re-run command netdom query fsmo you can see all roles are on now server2012.thetechnosolution.com
Now delegate server 2008 by running dcpromo, migrate server 2008 r2 to server 2012 r2 is complete.
Download Server 2012 r2
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