SAP SUM - CONFIGURATION PHASE 

‪@sapbasishana‬
Stack xml generation and patch download: Basis Team
Database backup and checks : DB Team
Perform upgrade activity: Basis Team
Space for mount point increase if required: OS team
SPDD/SPAU activity: ABAP/Functional Team
Download side effects notes: Distribute to functional team
If you are planning to perform the any upgrade please perform below checks from Basis side.
Read the release notes of target versions and if there are any pre-requisites perform those steps
Update SAP Host Agent to latest patch
Read the SUM guide and make sure all the pre-requisites are met
Download side effect notes and distribute to the functional teams to verify
Check the space of /usr/sap/trans mount point and make sure there is sufficient space available
Check the space of /usr/sap/ mount point and make sure there is sufficient space available
Make sure you have root access at OS level
Check the credentials of SIDADM and SYSTEM user (if you are using HANA DB)
Make sure you have access of DDIC in 000
Check the license in slicense Tcode and renew if it expired
Before performing upgrade take a complete DB backup of your DB and screenshot of the component version