AD Error Messages

So yesterday one of our Active Directory DCs failed due to running out of memory. Some of the fun error messages that ensued:

CN=Configuration,DC=<subdomain>,DC=<domain>,DC=<tld> 
    <SiteName>\<DCName> via RPC
        DC object GUID: <GUID>
        Last attempt @ (never) was successful

Source: <SiteName>\<DCName>
******* 305 CONSECUTIVE FAILURES since (never)

The effects of KCC and dynamic replication partners...