What I like most about VMware vSphere is its rock-solid reliability and the maturity of its live migration capabilities. In a production data center, being able to count on vMotion to smoothly move heavy, business-critical workloads between physical hosts without any loss of connectivity is a huge lifesaver. Features like Distributed Resource Scheduler (DRS) also remove much of the guesswork from cluster performance by automatically balancing compute load behind the scenes. Overall, it provides real peace of mind during hardware maintenance windows, since you can patch physical servers during the day without disrupting the business or creating user downtime. Review collected by and hosted on G2.com.

What I dislike most about VMware vSphere is how unnecessarily tedious troubleshooting becomes when a core service goes down. If vCenter hits a database lock or an internal service crashes, the web interface can effectively lock you out and only surface vague, generic errors. At that point, you’re pushed into logging into the appliance through root SSH or the VAMI interface, digging through huge directories of scattered log files, and manually restarting services from the CLI. For a platform that presents itself as a premium cloud console, having to rely so heavily on manual command-line triage during critical outages feels outdated and adds avoidable stress during maintenance windows. Review collected by and hosted on G2.com.