Patching Time – Part 3 / 3

###Follow these steps to ensure your Virtual Directories are stable.###

1. CD $ExScripts
2. .\UpdateCas.ps1
3. Exit
4. ###Open the command prompt <admin>###
5. IISRESET

###Occasionally the IISRESET fails, but try multiple times and it will for absolutely no reason, suddenly work.###

###Close the Command Prompt, open the Exchange Console <admin> again.###

1. Test-ServiceHealth ###Ensure all services are started and True###
2. ## Open the internet browser and point to the ECP server recently patched and verify the page loads well. Do the same with OWA ##

https://192.168.0.10/ecp/?ExchClientVer=15

At this point, if all loads well, you can be confident the environment is functioning well.