Nothing much needed if you are already on:assuming SAP Adapter6.5 on webMethods 7.1.2 environment…
Ofcourse you need to create/update connections like RFC Destination/Listeners configuration etc…which points to SAP ECC6.0 system.
But check/Install latest/up-to-date SAP Adapter(WmSAP) Fixes checklist that supports ECC6.0 env.
HTH,
RMg
#Integration-Server-and-ESB#Adapters-and-E-Standards#webMethods