Method for migrating financial and indicative plan data between computerized record keeping systems without a blackout period

A method of migrating a financial plan from a first computerized system to a second computerized system comprising:

• extracting predetermined financial plan data from a selected financial plan in the first computerized system to create extracted financial plan data, wherein said selected financial plan is associated with a plurality of plan participants;
• converting said extracted financial plan data into converted financial plan data having a second format compatible with the second computerized system;
• transmitting said converted financial plan data to a temporary data storage in the second computerized system;
• loading said converted financial plan data from said temporary data storage into a data storage of the second computerized system thereby creating a second financial plan;
• verifying that said selected financial plan corresponds to said second financial plan;
• activating said second financial plan in the second computerized system and deactivating said selected financial plan in the first computerized system;
• and
• migrating and loading to said data storage in the second computerized system pending transactions that would have affected said predetermined financial plan data in the first computerized system and that were initiated prior to activation of said second financial plan;
• providing continuous and uninterrupted access to a user to at least one of said predetermined financial plan data and said converted financial plan data;
• and
• providing continuous and uninterrupted access to financial plan functions associated with said selected financial plan, wherein said financial plan functions comprise initiating financial transactions, canceling financial transactions, modifying financial transactions, initiating financial fund transfers, canceling financial fund transfers, modifying financial fund transfers, purchasing financial securities, selling financial securities, producing financial plan reports, and executing financial analysis.