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VMware Console UDP
UDP port 902 is primarily used by VMware Server Console for communication between the managed VMware server and the management console. It enables important service functions like remote management, control, and monitoring of virtual infrastructure, ensuring administrators can maintain oversight of VMware environments efficiently through network communications..
UDP port 902 is a critical communication channel used predominantly in VMware virtualization environments. It facilitates management traffic between VMware ESXi hosts and the VMware vSphere Client or other management tools. This port is often engaged when remote desktop sessions or console access to virtual machines (VMs) are initiated, thereby enabling administrators to control VMs from a distance seamlessly.
The VMware Server Console or vSphere Client communicates to the ESXi host using UDP 902 to exchange control commands and status updates. Such interaction allows functions including VM power management, console access, and monitoring. The reliance on UDP is due to its lower overhead, which speeds up console responsiveness but also means that communication is connectionless and less reliable.
Beyond standard management, port 902 is also involved in certain data transfer processes, like provisioning new VMs or migrating them between hosts when using features such as vMotion in conjunction with other ports. Its use is internal within VMware’s management architecture, but it is critical for maintaining the operational efficiency of the virtualized infrastructure.