Data Aggregation - old and new system

Questions
#1

I have several years worth of data from my Enphase system. (31715)
I’ve just added a SMA string inverter (59198)
I’ve been able to set up Data Aggregation (31717)
However, the data aggregation only goes back as far as the new system’s data. It doesn’t show the older data from the original system.
I would like the Data Aggregation to go back to the start of my original system and then add the new system data as it becomes available.
Is there some way to have my Data Aggregation 31717 system show the old data also?

#2

The Data Aggregation is only supported for data uploaded after the setting is changed. There is too much historic data to make this practical.

#3

Thanks for the clarification. No worries.
I can deal with it as it is.