ADAM 2003 to LDS 2012 Replication - Internal error

I'm replicating (seemingly succesfully) between ADAM 2003 SP1 (Windows Server 2003) and LDS 2012 (Windows Server 2012 R2), but LDS 2012 seems to be a little upset on start-up, logging the following message to the event log:

Internal error: An Active Directory Lightweight Directory Services error has occurred.

Additional Data
Error value (decimal):
-1073741790
Error value (hex):
c0000022
Internal ID:
30007ef