4.0.0 HP Polyserve Matrix Server Upgrade Guide (T5392-96049, April 2010)

23. For each remaining server in the matrix, repeat this procedure through step 13.
Next, open the Configure Matrix window (if it is not already open) and import
the matrix configuration from a server running Matrix Server 4.0.0 to the server
being upgraded (the new license is included in the imported configuration). You
can then start the Matrix Server service on the newly upgraded server.
24. If you are using HP PolyServe Software for Microsoft SQL Server, restore the
Policy setting on each Virtual SQL Server to its original value after the upgrade
is complete.
Rolling upgrades12