#Exchange 2013 - Exchange server exist in AD schema

Error: The Exchange Server is in an inconsistent state. Only disaster recovery mode is available. Please use Setup /,:RecoveryServer to recover this Exchange server.

Solution:

1. Log in to AD. Open ADSI Edit, connect AD with configuration.

2. Navigate to Configuration[Domain name] --> CN=Configuration,DC=Domain name,DC=Domain name --> CN=services --> CN=Microsoft Exchange --> CN=Domain name --> CN=Administrative Groups --> CN=Exchange Administrative Group --> CN=Servers.

3. Delete the exchange server with the error above. (example: CN=DO-EXCH)