====== How to get diagnostic info from Exchange process ======

[xml]$xml = Get-ExchangeDiagnosticInfo -Process "Microsoft.Exchange.ServiceHost"
$xml.Diagnostics.Components.AnchorApplication.AnchorServiceComponents.CacheScheduler.lastRunTime

Cmdltes are from: https://learn.microsoft.com/en-us/exchange/plan-and-deploy/integration-with-sharepoint-and-skype/maintain-oauth-certificate?view=exchserver-2019