MOM(Microsoft Operations Manager) 2005 Service for MOSS 2007

Active Directory (AD) Management Pack for MOM 2005

The Microsoft Windows Active Directory Management Pack provides forest-wide monitoring of your Active Directory service and its required subsystems.

http://www.microsoft.com/downloads/details.aspx?familyid=B516E614-814A-4277-ABF9-8D5315D2BA06&displaylang=en

Microsoft Office SharePoint Server 2007 MP for MOM 2005

The Microsoft Office SharePoint Server 2007 Management Pack helps you detect and respond to critical events generated by Office SharePoint Server 2007.

http://www.microsoft.com/downloads/details.aspx?FamilyID=247c06ba-c599-4b22-b2d3-7bf88c4d7811%26displaylang=en