Which method is less resource intensive than vSphere access methods for accessing your SADR machine?

In the context of accessing a SADR (System Recovery and Data Archive) machine, the method that is less resource-intensive than vSphere access methods is Microsoft Remote Desktop Protocol (RDP). RDP is designed to provide remote access to Windows machines with minimal overhead compared to virtual machine host management such as vSphere.

When using vSphere, additional resources are consumed due to the virtualization overhead, including the management of the hypervisor layer and the necessary UI layers for managing virtual machines. RDP, on the other hand, allows direct connection to the desktop of the Windows operating system, making it more efficient for tasks that do not require the full virtualization management features.

This efficiency can lead to a more responsive and streamlined experience when remotely accessing a machine, particularly for activities like file management or application use, where the full virtualization stack is unnecessary.

It's important to understand that options like Telnet and SSH, while also low in resource consumption, have limitations in terms of security and graphical capabilities when accessing desktop environments. VPN access connects the user securely to a network, but generally, the overhead associated with establishing and maintaining that secure tunnel may not make it less resource-intensive compared to RDP.