Max SSL Connections Reached

You may experience a max SSL connections reached error, like so:

2018-09-17 17:46:41.037821 [NOTICE] [10.33.0.1:443] max SSL connections reached, max: 500, available: 0, suspend accepting!
2018-09-17 17:46:41.699669 [NOTICE] Resume SSL Listeners
2018-09-17 17:46:41.701547 [NOTICE] [10.33.0.1:443] max SSL connections reached, max: 500, available: 0, suspend accepting!
2018-09-17 17:46:42.846374 [NOTICE] Resume SSL Listeners

To fix the error, navigate to LSWS Web Admin > Server > Tuning and increase the value of Max SSL Connections. Click the Graceful Restart button.