Quest has released a free management pack for ADAM.

In summary, the MP provides the following capabilities:

– monitoring the services that ADAM itself is critically dependant on
– monitoring the health of ADAM including replication, LDAP, net logon service, intersite messaging, Windows time service, the key distribution center(KDC)
– collection of critical performance data
– provides replication and topology diagrams
– provides diagnostics
– detect critical events and create alerts to prevent and correct possible ADAM outages

You can download it here