How to Export Opsmanager 6.0 Database to 7.0

How to Export Opsmanager 6.0 Database to 7.0

I have 1 x server running Opsmanager 6 and 1 x server running Opsmanager 7. I want to move all monitored devices from Opsmanager 6 to Opsmanager 7. As I need to move 100 devices, anyone knows whether there is a more efficient way of directing exporting the database from version 6 Opsmanager into version 7 instead of manual key in again?

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