This little freeware tool will quickly
scan any number of servers to show you where your Admin4.nsf, Names.nsf,
or any other db has inconsistencies in the ACL, replica, and several other
items that might be preventing successful execution of AdminP, Policies,
and other services.
http://martinscott.com/MSCBlog.nsf/dx/01172010054723AMJMAENT.htm