What are the disadvantages of Vagrant?

The disadvantages of Vagrant include its resource consumption, slower performance compared to lightweight container solutions like Docker, and complexity in setup for larger environments. The Vagrant uses full VMs, which consume a lot of memory and CPU. In other terms, it is quite resource-intensive, especially for lower-powered machines.
With Vagrant environments, the only disadvantageous situation of rapid development cycles can be found in the generally longer time to start up and manage, compared to containerized solutions. Setting up and maintaining Vagrant configurations could be quite complex in managing several VMs or even integrating them with various providers; this increases overhead for development teams.