# Harmony Controller license and FlexPool license are the same?

**URL:** <https://community.a10networks.com/t/harmony-controller-license-and-flexpool-license-are-the-same/874>\
**Category:** ADC - Application Delivery\
**Tags:** harmony-controller, license\
**Created:** [November 14, 2024, 2:55pm UTC](https://community.a10networks.com/t/harmony-controller-license-and-flexpool-license-are-the-same/874 "2024-11-14T14:55:19Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kokosoe](https://avatars.discourse-cdn.com/v4/letter/k/e274bd/32.png) [@kokosoe](https://community.a10networks.com/u/kokosoe)\
**Post date:** [November 14, 2024, 2:55pm UTC](https://community.a10networks.com/t/harmony-controller-license-and-flexpool-license-are-the-same/874/1 "2024-11-14T14:55:19Z")

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May I know the FlexPool license and Harmony Controller license are the same? Could you please explain and confirm?

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**Author:** ![mdunn](https://avatars.discourse-cdn.com/v4/letter/m/87869e/32.png) [@mdunn](https://community.a10networks.com/u/mdunn)\
**Post date:** [November 14, 2024, 4:55pm UTC](https://community.a10networks.com/t/harmony-controller-license-and-flexpool-license-are-the-same/874/2 "2024-11-14T16:55:30Z")

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These are different licenses. FlexPool licenses are applied to Virtual Thunder (vThunder) instances. These licenses control the throughput of those vThunder instances. Harmony controller Managed Bandwidth Unit (MBU) licenses are applied to Harmony Controller. The MBU license controls how much throughput Harmony Controller can manage.

Here’s an example:

Flexpool 10g license - we can split this into 4x 2.5g vThunder instances

Harmony Controller 100g MBU license - we can manage up to 100g of A10 devices. This could be:  
Thunder 1060 pair = 50g  
Flexpool 10g = 10g  
This leaves 40g MBU free

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<div class="post-metadata">

**Author:** ![kokosoe](https://avatars.discourse-cdn.com/v4/letter/k/e274bd/32.png) [@kokosoe](https://community.a10networks.com/u/kokosoe)\
**Post date:** [November 15, 2024, 3:17am UTC](https://community.a10networks.com/t/harmony-controller-license-and-flexpool-license-are-the-same/874/3 "2024-11-15T03:17:37Z")

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Thank you very much for kindly explaining the detailed information.&nbsp;I appreciate it more than I can say.