Whilst it is possible to configure the Expiry Date of a Public Certificate within the GLP Server Configuration, the Public Certificate itself has an Internal Expiry Date. This Internal Expiry Date cannot be modified:
Once this date is passed, that Certificate will be invalid - a user will appear inactive if they do not have a valid in-date Public Certificate:
To resolve this issue, follow the steps HERE to request new certificates.
For further technical assistance with this or any other issue, please contact ADInstruments Technical Support by clicking HERE.