Plesk for Linux
kb: technical
ABT: Group A
Applicable to:
- Plesk for Linux
Symptom
-
Imunify360 extension cannot be activated with a license purchased from Plesk.
-
The following error is shown when accessing Imunify360 extension:
PLESK_ERROR: Servers limit exceeded for key <KeyNumber>
Cause
Imunify360 license can be used on one installation at a time.
The error may appear due to one of the following reasons:
-
More than one Imunify360 is are activated with Imunify360 license.
-
Imunify360 has been reinstalled on the same Plesk server, thus the same server to be registered twice.
Resolution
If the old server where Imunify360 is activated with the mentioned <KeyNumber> is still online, run the following command to unregister Imunify360:
# imunify360-agent unregister
If the old server is offline, contact CloudLinux Support for further assistance.
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