Sap landscape issue

hi all,
         just went thru the rules and regulation posted by juan...nice..
my query
          1)in sap landscape what is the number of clients we should be having in DEV QAS and PRD system.
                          a)as i am able to understand if we have DEV server installed we will automatically acessing 000,001,066
                          b)if we have QAS server installed we will automatically acessing 000,001,066
                          c)if we have PRD server installed we will automatically acessing 000,001,066
                                   Then why do we say that we should have only one client in PRD server.
                                                                                or we can say excluding 000,001,066 only one
please clear my confusion on this..
regards
keith

hi keith,
first you need to understand the SAP landscape clearly , If you are having DEVELOPMENT ,QUALITY and PRODUCTION system i.e three system landscape, all three will have 000,001,066 client in that. now it depends how your system goes about , being DEVELOPMENT system you must have one test client, one copy of master client(000) assume 111 where all your development work will undergo.
same is the case with your QUALITY server also.
but when it comes to PRODUCTION you should have only one client(as shyam also mentioned) where production activites should take place.
to read more about this-see these helpful links
http://www.sap-img.com/general/what-is-sap--landscape.htm
cheers -
ashish singh

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