Deploying virtual machines in VMware NSX for vSphere 6.x fails with the error: Total number of bindings and pools should not exceed 2,048

Products

• VMware NSX

Issue/Introduction

Symptoms:

• When deploying additional virtual machines in VMware NSX for vSphere, or using other products like VMware Integration OpenStack, you are unable to provision additional virtual machines
• Running the show log command on the NSX Manager console displays entries similar to:
  
  Bad, response {"details":"[Dhcp] Total number of bindings and pools should not exceed 2,048","errorCode":12505,"moduleName":"vShield Edge

Environment

VMware NSX for vSphere 6.4.x

Cause

This issue occurs due to a DHCP static binding or static pool limitation. The default number of bindings and pools cannot exceed 2,048 in a compact edge device. 

Resolution

To resolve this issue, follow one of the following resolution.

 

Resolution - increase the size of the edge appliance

• Log into the vSphere Web Client and navigate to Networking and Security, then NSX Edges, and highlight the affected edge device.
• Right click on the edge device and select Change Appliance Size.
• Increase the size to reflect the appropriate number of bindings and pools for the environment.

Compact supports 2,048 bindings

Large and X-Large supports 4,096 bindings

Quad Large supports 8,192 bindings