Hi All,
We have plan to upgrade SQL from 2014 to 2017 on production environment (in-place upgrade). We have configured SQL Always on two node windows cluster environment. Can you please review below steps and let me know if i missed any steps.
Primary (SQL-DB-01) : DB mode R/W
Secondary (SQL-DB-02): DB mode Read Only
step 1: Connect to SQL-DB-02: Update SQL version from 2014 to 2017
step 2: Reboot SQL-DB-02 machine
==========================
step 3: Connect SQL-DB-01: Fail-over SQL AG from SQL-DB-01 to SQL-DB-02
step 4: Update SQL version from 2014 to 2017 on SQL-DB-01
step 5: Reboot SQL-DB-01 machine
==========================
step 6: Connect SQL-DB-01: Fail-over SQL AG from SQL-DB-02 to SQL-DB-01