Try this 1
Change the metric value of the network adapter that you have connected to
your internal LAN. Follow the below instructions.
Click on Start --> Run --> Type ncpa.cpl and press Enter.
"Network Connections" will be opened.
Now right-click on the LAN Icon that connects your internal network -->
Properties. Double-click on "Internet Protocol[TCP/IP]" or Select the "Internet
Protocol[TCP/IP]" and click on the "Properties" button.
"Internet Protocol[TCP/IP] Properties" will be opened --> Click on "Advanced"
button --> At the bottom, uncheck the option "Automatic metric" and in the
"Interface metric:" text box, enter the value 2 and click on OK --> OK.