# Migrating node information to the current SUM version

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SUM stores node information in a database that is specific to each version of SUM. If you have used SUM to manage a node, migrate the node database information to the current version of SUM before launching SUM.

Procedure

1. From the SUM directory, launch `sum_migration.bat` (Windows) or `sum_migration.sh` (Linux).
2. Follow the on-screen instructions, and then select the version you want to migrate to the version of SUM you are using.