To change Citrix Service Monitor port to https :
- $ServiceUrl = "https://localhost:443/StorefrontMonitor"
- Set-STFServiceMonitor -ServiceUrl $ServiceUrl
- Get-STFServiceMonitor
!!! Do this on all Storefront Servers !!!
https://support.citrix.com/s/article/CTX230711-storefront-monitor-shows-down-if-check-backend-services-is-enabled?language=en_US