Network requirements for ERP Backend
Business Central (NAV)
The port number used by SOAP Web Service of the NAV server tier should be open for the network the scanners are connected to.
This is the only requirement
For troubleshooting, go to I can't log in from Mobile Device
MobiControl - For Remote control
WiFi Internet connection
Test: Can you open a website using the browser on the scanner?
Not a 100% guarantee as port 80/Internet may be blocked
Firewall
Customer MobiControl: Firewall port 5494 must be opened for outbound connections for MobiControl to work. The Mobicontrol Server has the IP address 40.68.196.181 and hostname ds1.mobi.taskletfactory.com and ds1.mob2.taskletfactory.com and ds2.mob2.taskletfactory.com + 40.114.220.164 and 13.95.171.202 port 5494.
Partner MobiControl: Port TCP 5494 must be open for outbound connection (IP address: 13.81.28.131 + ds1.partnermobi.taskletfactory.com
the MTU size needs to be set to 1,500 bytes
As the connection is HTTPS, a certificate is in play. The date on the mobile device must not be too far off the current date - otherwise the HTTPS connection will not be allowed.
If the above is OK, then the mobile device should be able to connect to MobiControl.