# license instance

**URL:** https://community.wowza.com/t/license-instance/49303
**Category:** Wowza Streaming Engine
**Created:** [July 31, 2017, 3:43am UTC](https://community.wowza.com/t/license-instance/49303 "2017-07-31T03:43:22Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![nguyen\_cao](https://avatars.discourse-cdn.com/v4/letter/n/97f17d/32.png) [@nguyen\_cao](https://community.wowza.com/u/nguyen_cao)
#### Post date: [July 31, 2017, 3:43am UTC](https://community.wowza.com/t/license-instance/49303/1 "2017-07-31T03:43:22Z")

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Hello,

I have used license for instance, but that instance had a OS issue, now i have reinstall OS and add the license for that instance with new OS, so will i be charge for second instance ?

Please help

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### Author: ![Alex\_C](https://avatars.discourse-cdn.com/v4/letter/a/bbe5ce/32.png) [@Alex\_C](https://community.wowza.com/u/Alex_C)
#### Post date: [August 24, 2017, 2:35am UTC](https://community.wowza.com/t/license-instance/49303/2 "2017-08-24T02:35:16Z")

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Hello @nguyen cao,

Please contact our [Billing Department](mailto:billing@wowza.com) for further assistance with this question.

Regards,

Alex C.