VMware NSX-T 3.x and VMware NSX versions before 4.1.2
This issue is caused by a software defect in VMware NSX-T.
This issue is fixed in VMware NSX 4.1.2, please upgrade to this version to prevent the deletion of IP Pools before the allocation is released.
POST https://NSX-Manager-IP/api/v1/pools/ip-pools/<pool-UUID>?action=RELEASE
with the following inside the body of the POST request:
{
"allocation_id":"IP-Address",
"allocation_id":"IP-Address"
}
Please consult the NSX-T API guide for more information:
https://developer.broadcom.com/xapis/nsx-t-data-center-rest-api/4.1.1