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Account Migration Created a Duplicate Account — Where Did My Data Go?

2월 12, 2026 by dodonestory

You moved your account.

New system. New login. New platform.

Everything looked successful.

Then you logged in again.

Your subscription was gone.

Your files were missing.

Your billing history was empty.

Your account wasn’t lost — a duplicate was created during migration.


Table of Contents

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  • Why Duplicate Accounts Appear After Migration
  • Common Signs of Migration Duplication
  • How to Recover the Original Account
  • How to Prevent Permanent Data Loss

Why Duplicate Accounts Appear After Migration

  • Data transfer completed, but identity linking failed
  • Email mapping didn’t sync across systems
  • OAuth or SSO login created a new user ID
  • Legacy account IDs weren’t merged properly

Migration moves data — but authentication layers sometimes split accounts.


Common Signs of Migration Duplication

  • Subscription missing after platform move
  • Projects or files no longer visible
  • Billing receipts tied to a different account
  • System shows “new user” onboarding screens

This usually means you’re logged into the migrated duplicate account.


How to Recover the Original Account

  • Log out and retry original login method
  • Check legacy platform login credentials
  • Search billing emails for account ID clues
  • Contact support with migration reference data

Support teams can relink accounts if migration logs exist.


How to Prevent Permanent Data Loss

  • Do not delete either account
  • Avoid creating additional logins
  • Request account merge confirmation first

Deleting the wrong account can erase billing and subscription records permanently.

Categories Everyday Issues Tags account data missing after migration, account migration duplicate account, account transfer created new account, duplicate account after platform migration, migration login issue
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