SUMMARY
In Exchange System Manager, when you use the following procedure to create a newsfeed you have the option to choose the role of the remote server. By default, the role of the remote server is Peer. The role can be changed at the time of creation to Master or Slave. After your create the newsfeed, you cannot change the type:
Click Server, click Server_name, click Protocols, click NNTP, click Virtual Server, and then click Newsfeed.