I'm planning an ZCM-Zone with Oracle database and several branch offices.

Now I have found a little confusing information in the the ZENworks 10 Configuration Management Installation Guide: 1.3 Database Requirements section.

WAN/SQL consideration-Primary Servers and the SQL database must reside on the same network segment. Primary Servers cannot write across a WAN to the SQL database.

Does this mean my ZCM branch offices servers can read from the Oracle database but not write to it?

Is it than enough to move all branch office servers down in the ZCM Server Hierachy?

Thanks for any help!