Getting Started > Upgrading to CitectSCADA v7.20 > Migration Tool > Deleting Obsolete I/O Devices
Deleting Obsolete I/O Devices

Deleting obsolete I/O Devices is an optional step in the Migration Tool and will be performed after the memory variables are converted. If the delete option is chosen, then obsolete Memory devices and Alarm devices will be deleted as the final step of the Migration Tool operation.

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