Nino_Bilic The_Exchange_Team Looks like a few different problems at once
I see advice to remove and re-add Powershell virtual directory - does this fix the remote powershell/third party monitoring tool issue that affects us, or just the ECP issue which is not what I am seeing.
Also, recreating Powershell virtual directory looks more complicated on a single server lab node because its a single server.
I had initially installed via Windows Update powershell run from a powershell admin window. I tried the uninstall and reinstall by downloading the .msp and installing from command prompt admin window. no difference.
Hopefully this will be resolved soon, it looks like a high risk update, but breaking monitoring will cause its own problems.
Thanks for everyones help with this
Greg