We have recently upgrade from SAP 4.6C to SAP ECC 6.0. We didn’t use r3 copy as it is recommended to use on same database. Solaris 10 is similar to Solaris 8 however database version will prevent the use of it.
Also note that you can have multiple instances of SAP on single host and user. Following steps we followed:
You can also refer to SAP Upgrade documentation in Market Place. There are various blogs/threads that you can refer:
You can download SAP ECC upgrade guide by navigating to this path:
Next is to click on SAP Business suite applications --> click on SAP ERP --> ERP 6.0 --> Upgrade.
If you have any doubts regarding SAP ECC 6.0 upgrade, you can refer below documentation about SAP ECC6.0 Upgrade. It covers all FAQ’s related to Ecc6.0 upgrade: