DFS dirty-shutdown stopping DFS replication: DFSR event ID 2213 in Windows Server 2008 R2 or Windows Server 2012:

https://support.microsoft.com/fr-fr/kb/2846759

How to disable the Stop Replication functionality in AutoRecovery

To have DFSR perform AutoRecovery when a dirty database shutdown is detected, edit the following registry value after hotfix 2780453

(http://support.microsoft.com/kb/2780453)

is installed in Windows Server 2008 R2. You can deploy this change on all versions of Windows Server 2012. If the value does not exist, you must create it.

Key: HKLM\System\CurrentControlSet\Services\DFSR\Parameters
Value: StopReplicationOnAutoRecovery
Type: Dword
Data: 0