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it Fixed my problem
This problem is related with one of Windows Services, the name of this service is Client DNS "DNSCache".
You need to check if your Client DNS "DNSCache" if it is running.
*Solution: this service needs to be fully operational, and if it is not, you need to solve any problems with it.
To complete, open the Command Prompt as Admin, and execute all those commands one by one:
Type " ipconfig /flushdns " and press Enter.
Type " ipconfig /registerdns " and press Enter.
Type " ipconfig /release " and press Enter.
Type " ipconfig /renew " and press Enter.
Type " netsh winsock reset " and press Enter.
Restart the computer.
By any chance were you using anything like a VPN (including split tunnels with or without bf42 on it) before or while playing BF?
If so, the ipconfig /flushdns && ipconfig /registerdns should be just enough.