Knowledge shared by Oren
Run the following command and then reboot:
reg add "HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpip6Parameters" /v DisabledComponents /t REG_DWORD /d 32 /f
Explanation:
We need to configure Windows to prefer resolving of server DNS name by IPv4 and not IPv6 .
We currently suspect something has changed a few days in the AWS image or some Windows update that caused this configuration.