Greetings Everyone!We have a production server running with RTM, no service pack applied, the environment is setup in cluster as one node active and other as passive.Now current SP for SQL 2012 is Service pack 3 can i directly update RTM to SP3 + CU3 without applying SP1 and SP2.In cluster if we are running how can we run service pack without stopping the database, Correct me from below processOn passive node: -------------------1) Stop all SQL services on the passive node .(Do we need to check preferred or possible owner for single active-passive cluster mode)2) Run the SP3.exe file 3) After apply SP3 again run CU3 4) Restart the windows server5) Bring all the services online6) check the cluster services and validating themOn active node:---------------------1) Making node as Passive from Activeand repeat from step 2 to 6 as abovePlease correct me if i am wrong, and please let me know do we require any downtime by doing above process
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