Activation failure

i have a perpetual licence for Studio 2021 with 2 activations. Transferring to a new laptop, I deactivated the licence on that device and my account showed it was successful. However, I cannot activate the software on the new device as I get this message: Activation failed. Could not connect to the activation server. Check the activation server address in the provider settings - the remote server returned an error:(403) Forbidden. Please confirm how to proceed.

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