Summary

If you have a node-locked licence that is activated by entering your serial number into the software, but have accidentally clicked the 'Configure License Server' option, this article will help to return to the normal activation window.

OR

You are experiencing Error -15 without having accidentally clicking on 'Configure License Server' please view the following KB - 

FlexNet Licesing Error -15 Troubleshooting Tips

Symptoms

If you have accidentally clicked the 'Configure License Server' option on the activation wizard. Then you may be unable to launch AdminStudio or return to the normal activation window.

If you try to launch AdminStudio you may see the error below or something similar:



This article will only help to return to the normal activation wizard so you can activate your node-locked licence using your serial number. If you have a licence which does use a licence server (concurrent licence) then please see the links below in the related documents section for troubleshooting. If you're having a different problem with the activation after following these steps. Try searching the Knowledge Base for the error you are receiving for help with the problem.

Resolution

To resolve this issue perform the following steps:

1. Launch Regedit by clicking start and typing 'regedit' in the search box and pushing enter
2. Navigate to HKEY_CURRENT_USER\Software\InstallShield\<Version>\Professional
3. Locate the string entry called LicenseServer, right click on it and click Delete
4. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\InstallShield\AdminStudio\<Version>
5. Locate the string entry called LicenseServer, right click on it and click Delete
4. Launch AdminStudio and you should no longer see the license server error

AdminStudio 2025 R3 = Version 31.0
AdminStudio 2025 R2 = Version 30.0
AdminStudio 2025 = Version 29.0
AdminStudio 2024 R2 SP1 = Version 28.0
AdminStudio 2024 R2 = Version 28.0
AdminStudio 2024 = Version 27.0
AdminStudio 2023 R2 SP1    
AdminStudio 2023 R2 = Version 26.0
AdminStudio 2023 = Version 25.0
AdminStudio 2022 R2 = Version 24.0
AdminStudio 2022 = Version 23.0
AdminStudio 2021 R2 = Version 22.0
AdminStudio 2021 = Version 22.0
AdminStudio 2020 R2 = Version 21.0
AdminStudio 2020 = Version 20.0
AdminStudio 2019 R2 = Version 19.0
AdminStudio 2019 = Version 18.0
AdminStudio 2018 = Verison 17.0
AdminStudio 2017 = Version 16.0
AdminStudio 2016 = Version 15.0
AdminStudio 2015 = Version 14.0
AdminStudio 2014 = Version 13.0
AdminStudio 2013 = Version 12.0

Additional Information

Download and License Overview for AdminStudio 2021 R2 and Later