SAP Message XT483 - You cannot change transport strategy of system &1 in domain &2

Diagnosis
You attempted to change the transport strategy of system &V1& fromdomain &V2&. You can only make configuration settings such as thetransport strategy in the local domain.

Procedure
To change the transport strategy of the system &V1&, log on to thedomain controller in domain &V3& and choose the transport strategy.