Hello SCN members....
You want to upgrade SAP Solution Manager from 7.1 to 7.2. Lets get system ready to upgrade 
Note: In this scenario My SAP Solution Manager version is 7.1 Support Pack stack 13
Lets get ready....
1. Make sure you have uploaded your existing SAP Solution Manager system data to SAP Maintenance Planner
Please go through SAP note below
2002546 CP Direct Upload of Landscape data to customer profile
2. Once you have updated your system make sure you have run SAP Maintenance Planner on the system
Please go through SAP note below
2271807 MOPZ The Installation Upgrade Package For Add-On SAP_UO rel. 750 is not available
Note: Make sure you added JAVA patches as per SAP note: 2229953 and select Stack 01
3. Download all required files what you added through SAP Maintenances Planner
4. Uninstall ST-SPA and ST-QCA if they are installed (SAP Note : 2227300 For reference)
5. Pre steps and SAP notes to follow before you start upgrade
Run SQL SCRIPT (SQL DB only) - sp_addsrvrolemember 'SAP<SID>DB' , 'securityadmin'
Follow SAP Notes:
1872729 CRM Upgrade Fails with error
1879618 Pre-upgrade measures
1983745 Error in RSD_PREXPRA_TO_740
2039938 Error CL_RSR_GET_CHANMID-02
2176977 - Pre-upgrade measures for upgrade/update to 7.4
1872722 - Additional information for installation/upgrade of CPRXRPM 600_740
2228062 - Update of Introscope JAVA Agent ISAGENT 9.5.6 Patch 0 fails 'Component sap.com/ISAGENT_MIN_J5 cannot be downgraded' -
6. Request Technical - User as per SAP note: 2174416 Technical User for Data Transfer with SAP Backbone System
Note: Make sure you have assigned Super Administrator role to user
After following five steps you will be ready to start actual upgrade work on SAP solution manager 7.1. Once you have done all activities follow my next document to run upgrade.
Feel free to post comments and suggestions
Thank you for reading
Yogesh
Solution Manager 7.2 - Upgrade - I - Technical Checks and Preparations
Solution Manager 7.2 - Upgrade - II - Actual Upgrade Process
Solution Manager 7.2 - Upgrade - III - Dual Stack Split
Solution Manager 7.2 - Upgrade - IV - Correction After Dual Stack Split
Solution Manager 7.2 - Upgrade - V - SolMan Support Pack Stack 01 Correction