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Unable to deactivate licenses

Scott Day

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My license key is ****.

It says that I have 12 activations but I do not.  I've tried to deactivate computers that were being retired but the deactivation was unsuccessful.  I need some of these activations freed up.

Thank you,


Scott Day

Edited by Leslie V
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  • Official Nitronaut

Hello Scott,

Thanks for reaching out to us! I am happy to assist you.

Please note that we no longer support Nitro Pro 9 and its activation servers have been shut down.

We recommend to upgrade to our latest version, V13, which comes with significant stability and security improvements, as well as many feature enhancements, in particular in conversion and OCR functions. To upgrade to Nitro Pro 13, please visit our upgrade page: 
Alternatively, you can upgrade to the latest build of Nitro Pro 12. Per our Sunset Policy, https://www.gonitro.com/nps/product-details/sunset-policy, we have stopped making feature enhancements to version 12 once we released version 13. You can find Nitro Pro 12 installer from the page below and activate it with your current Nitro Pro 9 serial number. 

Please let us know if you need any further assistance.

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I'm using version 13 for some of my users but this particular user needs version 12.  When I try to use the license key it says that all of the licenses have been activated already.  I need to free up at lease 1 activation for the license key 234600 xxyyzz 428551.  Many of the computers that were using this key have been decommissioned.


Edited by Allain Umailin
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