Horizon 7 components exchange messages by using several different protocols.

Table 1 lists the default ports that are used by each protocol. If necessary, to comply with organization policies or to avoid contention, you can change which port numbers are used.

Table 1. Default Ports
Protocol Port
JMS TCP port 4001

TCP port 4002

HTTP TCP port 80
HTTPS TCP port 443
MMR/CDR For multimedia redirection and client drive redirection, TCP port 9427
RDP TCP port 3389

TCP port 4172

UDP ports 4172, 50002, 55000

USB redirection TCP port 32111. This port is also used for time zone synchronization.
VMware Blast Extreme

TCP ports 8443, 22443

UDP ports 443, 8443, 22443

HTML Access TCP ports 8443, 22443