As part of any Journal Transformation migration, all active user mailboxes must be put on litigation hold prior to any migration activity. This is not done by the product. It should be applied before migration begins and remain in place until the end of the migration project. By default we do not allow migration to active user accounts during journal transformation if litigation hold is not applied.

  • Preserve mailbox items deleted by users or automatic deletion processes such as MRM
  • Preserve items indefinitely or for a specific duration
  • Enable In-Place eDiscovery searches of items placed on hold


Once litigation hold is enabled the storage quota for the Recoverable Items folder is automatically increased from 30 GB to 100 GB for the primary mailbox and unlimited for the EOA (Auto expanding feature is required)

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