Solution:

- To configure the proxy settings in desktop plugin, goto the process-studio-5.6.0\psplugins\DesktopPlugins\desktop-engine\userdata\config or aeagent\psplugins\DesktopPlugins\desktop-engine\userdata\config folder.

- Edit the userdata.properties file present in the above location

- Add your proxy settings to this file

for HTTP proxy:

# Use external proxy server for http

ext.http.proxy.enable=true

ext.http.proxy.host=

ext.http.proxy.port=

ext.http.proxy.auth.enable=false

ext.http.proxy.auth.encrypted=false

ext.http.proxy.auth.name=username

ext.http.proxy.auth.password=password

For HTTPS proxy:

# Use external proxy server for https

ext.https.proxy.enable=true

ext.https.proxy.host=

ext.https.proxy.port=

ext.https.proxy.auth.enable=false

ext.https.proxy.auth.encrypted=false

ext.https.proxy.auth.name=username

ext.https.proxy.auth.password=password

- After adding the details, restart process-studio/agent and check.