Known Issues

Item ID



Due to the issues in Microsoft Edge, Single Sign On (SSO) for editing

application configuration fails. Using Google Chrome is advised for smooth



In case of HA Fail-over, analytics shows the new active device status

even for historical data that belongs to old device.


For vThunder, partition CPU usage is approximate. If only one

partition is there in Thunder device, it may not show the same value as

Device CPU usage.


In some remote cases, while installing Harmony Controller software on

single A10 HarmonyTM Controller 2000 appliance, a harmless message

saying ‘No resources found’ may show up. After a few messages,

installation will proceed normally and complete successfully.


In a few cases, Harmony Controller may not work as expected when

installed on a VM having multiple network interfaces. It is recommended to

have default route attached to the network interface where controller

services are mapped.


In some cases, I/O CPU value of a Thunder device reported in

Harmony Controller may not match with the value reported in Thunder CLI

or UI.


New partitions or app services created on Thunder when

Harmony Controller is not reachable from Thunder is not automatically

synchronized with controller. De-registering the Thunder and

registering again brings all information to the controller.


Harmony Controller will not work properly for large number of partitions on

a Thunder.


Harmony APIs have changed. This may break existing automation around

Harmony APIs. Please consult A10 team for details.


Login with Google oAuth to Harmony Portal has issues. It is recommended

to use other authentication providers.


Admin users created on Thunder devices after registering them to

Controller, do not get synchronized with Controller even after

configuration scan. Deregistering Thunder and Registering again will fix

the problem. However,mapping Partitions to Tenants may be required again.


If Thunder VCS cluster does not have a floating IP address, it does not

register properly with Harmony Controller. It is recommended to always

have floating IP address assigned to the VCS cluster.


The Thunder cluster launched by Harmony Controller in VMWare vCenter

environment always has cluster type ‘Single’. HA or VCS clusters needs to

be launched manually and attached to the Controller.


Partitions (and other associated objects) deleted directly at Thunder remain

visible in Harmony Portal and may lead to errors. It is recommended to

delete partitions from Harmony Portal.


Harmony Controller connects to Thunder management interface only on

port 443.


When the configured external authentication service (e.g. LDAP, Radius,

etc.) is down, there is no way to login to Harmony Portal. Please

restore the authentication service before trying to login.


Only one Provider account can be created on a Harmony Controller.

Support for having multiple providers is temporarily suspended.


Configuring multiple Thunder devices or Application services together from

Harmony Portal is temporarily not available. Backed up configuration can

still be pushed on multiple devices.


Option to schedule image upgrade of Thunder devices is from Harmony

Portal is temporarily not available.


When Thunder configuration with multiple Virtual IP addresses (VIPs) is

created through Harmony Portal and pushed to a Thunder device, analytics

information for all these VIPs does not show up properly. It is recommended

to configure one VIP at a time.


When Thunder configuration is modified directly on Thunder, it does not

automatically synchronize with the Controller. Using ‘Scan’ option brings

the configuration to Controller from the device. However, making all

configuration changes from Harmony Portal (Global Object Explorer) is

recommended after registering Thunder to Controller.


Options for scheduled device configuration backup and restore from

Harmony Portal are temporarily reduced – only daily backup is available

for now. Also, there is no way to delete a scheduled backup task.


In Harmony Portal, Tenant admins can view the portions and associated

application services that do not belong to them. Recommended is not to

onboard application service that require strict access control.


When name of a Tenant is altered in Harmony Portal, some places may still

display the old name.


While displaying difference between old and new configuration, the

coloring of config blocks may be incorrect.


When a new partition is created on Thunder using Harmony Portal, the

portal displays the newly added partition even if the actual creation

fails. This leads to errors when other operations are tried on such

partition. It is recommended tocarefully check the status in workflow

window before proceeding further.


When existing configuration is imported or scanned from Thunder device,

some properties may not show up properly in Harmony Portal.


The Thunder Onboarding help that pops up on first time login does not

display how-to perform the steps. Recommended is to use product

documentation for details.


When size of Thunder configuration backup file is large, configuration

backup from Thunder to Harmony Controller fails.


When size of Thunder configuration is large, configuration push from

Harmony Controller to Thunder fails.




Certain portions of Thunder configuration are not being deployed properly

when pushed to Thunder from Harmony Controller.


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