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I have done data migration from Magento 1 to Magento 2 using data migration tool. The site is still not launched and my Magento 1 site is still live. Now my client has some requirements, for which i want some suggestion.

  1. I want to again migrate only products from Magento 1 to Magento 2(The existing site where migration was done earlier)
  2. I want to make changes into the products pricing, attributes etc etc in Magento 2.
  3. After doing that i want to migrate only orders and customers into Magento 2 existing site. No product migration needed again.
  4. Then , this site will be launched. I want to work on the same magento 2 environment . I don't want to again setup fresh magento for all these migration.

Is this scenario feasible. If yes, then how? Is there an extension that will help me in doing this?

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Short answer yes, it's possible.
In the company I work I did something like that, I just didn't migrate the products they were already migrated, I just did the migration of orders and customers and it was a pain not to mess up everything else.
There was many changes done in Magento 2 after the migration? if not I advise doing the whole migration again. If yes, it's possible but you'll need to search and do a trial error with the map.xml ignoring tables.
Can't help much in this part of importing products but I still have the map.xml and the config.xml that I used to import just the orders or just the customers if it could be any help.

About the extension, I searched but didn't find anything that could catch my eye with a reasonable price, might be wrong though.

Remember always backup everything.

Hope it helps in anyway :D

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  • So you did the migration of orders and customers on the existing M2 site? or fresh installed site?
    – Nafsss
    Aug 5 '20 at 12:56
  • There was a first migration of everything when the site was fresh after a lot time that M2 was being prepared, to go live it was needed the new customers and orders that kept coming to the old M1, so what I did was delete all orders and customer of the already existing M2 site, and import everything from M1, keep in mind that I had no new customers or orders in the M2 that's why I deleted everything it was easier
    – Rui Silva
    Aug 5 '20 at 14:22
  • Yes, that's what i want. Can you share in detail how did you do the import of orders and customers from M1 to M2?
    – Nafsss
    Aug 6 '20 at 4:43
  • Yes ofc I saved almost everything that I used, but they are some long files, how do you prefer for me to send you them?
    – Rui Silva
    Aug 6 '20 at 8:09
  • github.com/magento/data-migration-tool/issues/… Oh yeah I wrote this, not very detailed it kinda depends on the case but might help, if you need the full code of the files let me know
    – Rui Silva
    Aug 6 '20 at 8:27

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