Host preparation failed with error: Reason: Failed to get a valid IP from IpPool IpPool/[UUID] with cidr null.

Products

• VMware NSX

Issue/Introduction

• Trend Micro Service Deployment is configured on cluster.
• From within System > Fabric > Hosts > Clusters, NSX Configuration column shows "Failed".
• Clicking "Failed" shows.
  
  Failed to get a valid IP from IpPool IpPool/[UUID] with cidr null.
  
  
• Checking the IP Pool referenced in the error shows that all IPs are allocated.
• The failed host shows that the TEP is configured and it successfully received an IP from the Pool.

Environment

VMware NSX

Resolution

Workaround:

1. Schedule a maintenance window.
2. Put the problematic host into maintenance mode.
3. Remove the Trend Micro Service Deployment from cluster.
4. Detach the Transport Node Profile from the cluster.
5. From vCenter, move the problematic host out of the cluster.
6. Within NSX, confirm that the pool frees up an IP. 
7. From within NSX attach the Transport Node Profile back to the cluster.
8. From vCenter, move the host back into the cluster.
9. Confirm that cluster/host is prepared successfully.
10. Configuring the Trend Micro Service Deployment for cluster.