in the game battlefield bad Company 2 i can not enter multiplayer/online-Feature

@SE7EN9_J25 

What is the exact error message you get and do these steps help get you back into the servers?

Reboot the Network

1. Unplug the modem/router power for about 5 minutes to refresh the network. A fresh connection can help clear up most basic connectivity issues.

Power Cycle the Console

1. Turn off the Xbox One console by pressing the Xbox button on the front of the console for about 10 seconds until it shuts down completely.
2. Unplug the console's power cable. Wait 10 seconds.

Important Be sure to wait 10 seconds. This step resets the power supply.

1. Plug the console power cable back in.
2. Press the Xbox button on your console to turn on the Xbox One.

Clear Mac Address

1. Clear the MAC Address: From the Xbox dashboard select Settings>All Settings>Network>Network Settings>Advanced Settings>Alternate MAC address>Clear, then restart your Xbox.