Please be aware that you will need port information for step 2. These are the ports you need for Ghost Recon: Wildlands:
UDP: 3074 to 3083, 6000, 6030, 7000
Xbox Live ports:
TCP: 53, 80, 3074
UDP: 53, 88, 500, 3074, 3544, 4500
Here is the list of steps you can try:
Start by testing your network connection. If the test shows that your connection is limited, try the following 4 steps to improve the connection.
1. Reset your network hardware
2. Forward ports
3. Place the console into the DMZ
4. Check for external restrictions
If you continue to have trouble after trying these steps, please feel free to contact us!