Thanks for the mention @Daniel Armenta
@Krithica GIf you have already configured your Jira B, and want to create a remote copy of an issue (taking an issue from Jira A and copying it into Jira B), Elements Copy & Sync could indeed help.
If however, you are looking to take your Jira A custom field configurations and import them into Jira B in order to save time (not manually re-configuring all of them), Elements Copy & Sync will not be the right solution. I would recommend looking at Configuration Manager for Jira, or another migration app.
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