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In ATG Migration involves two major steps:
1. Make database changes to make your previous DB compatible with new ATG version.
a. Add/Modify tables
b. Update/modify the DB data
c. Migrate the data into new tables
2. Make code changes to our customized code if necessary.
For #1, you need the intermediate ATG version to do a) and b) tasks like running StartSQLRepository or importRepository etc.
For #2, you do not require the intermediate ATG version.
So in your case you may need ATG10.0 and ATG10.1 based on the data scripts you run.
Once migration is complete you can install ATG10.1.1 directly and use for code development.
i see only Today(10.1.2) - ATG downloads, Can some one provide information on ATG 10.1.x... downloadables where can i get. ...
Even we are looking for upgrade ATG from 9.1/2 to ATG 10.
Please suggest me your opinions if someone recently done that...
As i am seeing others replies... they suggested to go for upgradation in two steps... like
first 9.1 ---> 10.0.3
and then 10.0.3 -- 10.1/10.1.1...
Your ontime suggestions are most valuable for us...