For successful network connectivity in VMware View Manager 4.5 and later, ensure that: Connection Servers, Replica Servers, and Transfer Servers use Static IPs. Replica Server is on the same LAN as the Connection Server. Replication over WAN is not supported. Ensure that these required ports allow incoming connections. Note : All ports are TCP, unless specified otherwise. Source Destination Port Protocol View Desktop Connection Server 4001 JMS Replica Connection Servers Connection Server 4100 JMSIR Admin Browser Connection Server 80 HTTP Admin Browser Connection Server 443 HTTPS Client 1 Connection Server 4172 PCoIP (TCP and UDP) Client 2 Connection Server 443 HTTPS Connection Server 1