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Upgrade from 9.3: error license key

aleanto

New Pleskian
Hi,

i upgraded to 9.3 from 8.6 and all it's ok. But now when i try to upgrade from 9.3 (to 9.5 or major release) i receive same error:

Warning: your license key for the base component cannot be upgraded.
Response from the licensing server: Software Update Service (SUS) is not found for the given license key. Automatic upgrade is not possible
Error: Failed to check whether a new license key is available.
Not all packages were installed.
Please, contact product technical support.

But my license key is ok.

I read that is a common problem but i haven't found any solution.
 
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