Before you install or upgrade NSX, consider your network configuration and resources. You can install one NSX Manager per vCenter Server, one instance of Guest Introspection per ESXi™ host, and multiple NSX Edge instances per datacenter.


Table 1. Hardware Requirements




Disk Space

NSX Manager

16 GB (24 GB with certain NSX deployment sizes*)

4 (8 with certain NSX deployment sizes*)

60 GB

Guest Introspection

1 GB


4 GB

*As a general guideline, if your NSX managed environment contains more than 256 hypervisors, we recommend increasing NSX Manager resources to 8 vCPU and 24 GB of RAM. For specific sizing details contact VMware support.

For information about increasing the memory and vCPU allocation for your virtual appliances, see the following vSphere documentation pages (or the equivalent pages for your version of vSphere):


These are the recommended versions of VMware products.

  • VMware vCenter Server 5.5U3

  • VMware vCenter Server 6.0U2

Client and User Access