Re-create service connections in another instance of Manager.
Promote service connections to another environment.
To import a service connections:
Select Services > Service Connections.
Click Choose File and choose a service connection archive ZIP file, which has been previously exported.
Manager reads the organization that the service connection belongs to from the export archive, if any. You can choose to instead restrict the service connection to an organization by selecting it from the Add to Organization dropdown list.
Click Proceed To import.
Review the Import Options as shown below.
Click Import to complete the process. Check the Detail Messages tab for any warnings logged during import.