2739308 - SAP Cloud Connector to SAP BTP connection timeout

You wish to increase the timeout settings from the SAP Cloud Connector (SCC) to the SAP Business Technology Platform (BTP) as the connection fails.
In the SCC logs, error messages similar to the one below can be seen:

#INFO#com.sap.scc#https-jsse-nio2-8443-exec-4# #An error occurred when trying to connect. See ''Log And Trace Files'' and in particular ljs_trace.log for details.
com.sap.scc.servlets.RequestFailureExecution$InvalidConfiguration: An error occurred when trying to connect. See ''Log And Trace Files'' and in particular ljs_trace.log for details.
 at com.sap.scc.servlets.ConfigurationServlet.refreshCertificate(ConfigurationServlet.java:1519)
 at com.sap.scc.servlets.ConfigurationServlet.dispatch(ConfigurationServlet.java:241)
 ........
 at java.lang.Thread.run(Thread.java:838)
Caused by: com.sap.scc.servlets.CriticalSccException: Preparation of tunnel certificate for <SUBACCOUNT_ID>@ae1.hana.ondemand.com account failed.
 at com.sap.scc.ui.SubaccountControl.applyConfig(SubaccountControl.java:207)
 ...
 ... 39 common frames omitted
Caused by: org.apache.http.conn.ConnectTimeoutException: Connect to connectivitycertsigning.ae1.hana.ondemand.com:443 [connectivitycertsigning.ae1.hana.ondemand.com/157.133.85.132] failed: connect timed out (local port 40404 to address <IP_ADDRESS_CLOUD_CONNECTOR>, remote port 443 to address 157.133.85.132 (connectivitycertsigning.ae1.hana.ondemand.com))
 at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:151)
 ....
 ... 41 common frames omitted
Caused by: java.net.SocketTimeoutException: connect timed out (local port 40404 to address <IP_ADDRESS_CLOUD_CONNECTOR>), remote port 443 to address 157.133.85.132 (connectivitycertsigning.ae1.hana.ondemand.com))
 at java.net.PlainSocketImpl.socketConnect(Native Method)
 ...
 ... 54 common frames omitted

SAP Cloud Connector

Cloud Connector, SCC, BTP, Business Technology Platform, timeout, connectivitycertsigning, tunnel account, inoperative, tunnel certificate, firewall, proxy , KBA , scp , cloud platform , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , BC-NEO-CON , Neo to On-premise Connectivity service , Problem