SCO cloning using pre-script and/or post-script times out after three hours

Failure on running the pre- and/or post-script after three hours (by default):

 

Which shows in SMCore logs with:

2020-12-02T11:51:26.1055919+00:00 DEBUG SMCore_924 PID=[4504] TID=[37] Running pre-scripts from co-located host, URL used: https://<PLUGIN_HOST>:8145/RunScripts
2020-12-02T11:51:26.1055919+00:00 DEBUG SMCore_924 PID=[4504] TID=[37] Request Data: ****************************
<?xml version="1.0" encoding="utf-16"?><SmRunScriptsRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance"><HostEx>
<Name /><Type /><Id i:nil="true" />...</SmRunScriptsRequest>
 

2020-12-02T14:51:26.6212723+00:00 ERROR SMCore_924 PID=[4504] TID=[37] WebException Encountered, Response null
2020-12-02T14:51:26.6212723+00:00 ERROR SMCore_924 PID=[4504] TID=[37] Exception in method: InvokeXML.
System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a receive.
---> System.IO.IOException: Unable to read data from the transport connection: A connection attempt failed because the
 connected party did not properly respond after a period of time, or established connection failed because connected
 host has failed to respond. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected
 party did not properly respond after a period of time, or established connection failed because connected host has failed
 to respond