What Modules for Orion are you using. If this is only NPM I guess it might be working. Please refer to this document then:
http://www.solarwinds.com/documentation/orion/docs/OrionServerMigration.pdf
But be aware that just changing the IP address etc is not enough. You have to do more things.
Also: you can't have 2 Servers running with the same License. License is bound to the Machine