You can remove NSX Edge nodes from an NSX Edge Cluster that you created with SDDC Manager if you need to scale down to meet business needs.
Prerequisites
- The NSX Edge cluster must be available in the SDDC Manager inventory and must be Active.
- The NSX Edge node must be available in the SDDC Manager inventory.
- The NSX Edge cluster must be hosted on one or more vSphere clusters from the same workload domain.
- The NSX Edge cluster must contain more than two NSX Edge nodes.
- The NSX Edge cluster must not be federated or stretched.
- If the NSX Edge cluster was deployed with a Tier-0 Service High Availability of Active-Active, the NSX Edge cluster must contain two or more NSX Edge nodes with two or more Tier-0 routers (SR component) after the NSX Edge nodes are removed.
- If selected edge cluster was deployed with a Tier-0 Service High Availability of Active-Standby, you cannot remove NSX Edge nodes that are the active or standby node for the Tier-0 router.