ProCall updates can no longer be rolled out to ProCall clients using the automatic update feature.
Checking possible causes
On the update server, file and printer sharing must be enabled under Windows settings "Control Panel\All Control Panel Items\Network and Sharing Center".
Example screenshot: Windows control panel – File and printer sharing
Please make sure that the sharing wizard is disabledfor the folder "C:\Program Files (x86)\estos\UCServer\ClientInstall".