Источник:
http://kamalblogs.wordpress.com/2012...cs-ax-2012-r2/
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Metadata db and the datadb can now be separate 
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Single user Topology for development: Microsoft recomments the Single user topology when using sourcecontrol and to manage multiparty development
- Shared application topology is not recommened for the following reasons
- To debug a Pcode the visual studio needs to be used. During the attach process the AOS is paused for all user
- Server restarts for a single user stops the entire application
- Visual Studio Projects – Apart from the Synchornize to the AOT, we must right scripts to run MSbuild for these projects. This
ensures a proper VS project import
Deploying to the Production
- Element id’s as we all know is generated during the import of models, so it is recommended not to import models in to Production
system to avoid id conflicts
- Maintain a seperate staging setup where the metadatastore of the production and staging are maintained commonly. Import models to
the staging and then move the metadata
- Model store import is quicker, will bring the down time and speed up import.
Источник:
http://kamalblogs.wordpress.com/2012...cs-ax-2012-r2/