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How can I force migration of data from the old sync to the new?
I have two old instances of firefox (version 18 and 24) with sync set up; these are not accessible. How can I get the data from that account migrated to the new Sync backend without disconnecting these clients from Sync?
All Replies (2)
The old and new sync use the same backend but that may not help you here; if for instance; you were hoping to do directional merges.
Note the old and new syncs use a different account, and that the new sync only offers a merge option.
- Sync your Firefox bookmarks, history, passwords and more
- How do I choose what types of information to sync on Firefox?
Relying on sync alone to backup bookmarks could result in all devices having corrupt bookmarks listings. If you have bookmarks involved I personally strongly recommend you manually back them up before making any sync changes, and thereafter do so at regular intervals - say every 2nd week. Sync is not good at handling large changes and large merges of bookmarks, corruption or duplication could occur.