If a Hub Transport server (formerly known as a bridgehead server) is unavailable because of a failure or regularly scheduled maintenance, failover to the other Hub Transport servers is automatic.

• 如果集线器传输服务器(以前称为桥头服务器)由于失败或定期日程维护而不可用,则会自动故障转移到其他集线器传输服务器。