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A special issue that arises with many upgrades, both software and hardware, is migrating data from the old to the new.
- Specialized software (ERP, CRM, Financial, etc.) often has a specialized data store that may need to be transferred or upgraded itself.
- Changing a server requires old data to be moved to the new.
- Upgrading a system hard drive often can be done by moving all information from the old drive to a new (larger or faster) drive.
- Keeping users preferences (email, internet shortcuts, pictures, documents, etc.) during an upgrade helps keep productivity high as soon as the upgrade is complete.
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