Open up regedit and go to the following location
HKLM\SYSTEM\CurrentControlSet\Services\PolicyAgent
Create a DWORD32 entry, name it
AssumeUDPEncapsulationContextOnSendRule
and enter a value of 2. Save and Reboot.
You can optionally execute this command on an elevated prompt. Also reboot to apply.
REG ADD HKLM\SYSTEM\CurrentControlSet\Services\PolicyAgent /v AssumeUDPEncapsulationContextOnSendRule /t REG_DWORD /d 0x2 /f