To migrate a license from old JunosSpace server to new, you will need to copy the license file from the old server and import it into the new JunosSpace server. Here are the steps to do so:
 

On the Old JunosSpace Server:

1. Copy the license file by navigating to the Administration page, then Licenses, then double click on the commercial license, copy the data on notepad file and save it to your local system.

On the New JunosSpace Server:

1. Navigate to the Administration page, then Licenses.
2. Click on the Import License button.
3. Paste the contents of the Junos Space license key text file in the License data field.
4. Click Upload and then OK.

After importing the license file, the New Space server should now have the same license as the source server.