Alarms are delayed or not raised, emails delayed or not sent, tickets not raised or delayed and scripted actions not raised or run delayed when a particular alert occurs.
Checking the System tab > Statistics shows that there is a large number of Pending Alerts (300 or more). The number may fluctuate or may continue to increase, without ever reaching 0.
1) Reapply Schema under the System > Configure tab.
2) Restart IIS using iisreset and Kaseya Server service on the Kaseya front end server.
3) Reboot the Kaseya server.
4) Raise a support call, referencing internal knowledge base article 297068. This is to ensure that we can diagnose the root cause of the problem before applying any further fixes.
Alternately, if you do not wish to interrupt access to your Kaseya server before engaging Kaseya support, raise the support call with the KB reference after reapplying the schema.