Migrate enterprise ca to another domain controller

How to migrate enterprise root CA from 2008 R2 DC to another 2008 R2 domain controller?

Hi,
So have you tried the steps you mentioned? Is there any error when you do the migration?
Active Directory Certificate Services Migration Guide
https://technet.microsoft.com/en-us/library/ee126170(v=ws.10).aspx
Backup CA database is necessary before you do the migration.
Please feel free to let us know if you have any update about the issue.
Regards.
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    Auth Basc Forw Del  Dyn  RReg Ext
                Domain: contoso.com
                   GP2010-A                     FAIL WARN PASS PASS PASS PASS n/a 
             ......................... contoso.com failed test DNS

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