Query: Merge multiple IMC to singular IMC

[Silvan2]

Hi all. 

I have been tasked to migrate 3 IMC's across our German sites to 1 IMC and I have 2 questions:

1. The Version of IMC we are using is iMC PLAT 7.3 (E0706H07), which has a quantity of 100 devices. As I will be merging 3 IMC into 1, will a new licence be needed to cater for the 100+ devices on our network?

2. I have looked online but unfortunately cannot find documentation to merge IMC's configuration or if this is even possible!
I have looked at some resources and the best way to merge is to use the backup and restore functionalities.
Export: Under Configuration Audit -- Config Backup, select all devices Export then Download.
Import: Import Config Template from Backup History. In Configuration Templates, click Add then select Import From Backup File (or Import from File), select the exported backup, then import? 

Is this correct / doable? 

Thank you for anyone that can help!

[support_s]

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