Internal resource lookup with IPv6 enabled on NIC interface

Lookup by name to internal resources may fail when IPv6 is enabled on the NIC interface. To resolve this issue, you can do one of the following.

To disable ParallelAandAAA capability:

1. In Registry Editor, go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters.
2. Set "DisableParallelAandAAAA "=dword:00000001.

To enable SMHNR:

Use this method only for an SSL VPN full tunnel. This method is not supported if using split tunnel.

1. In Local Group Policy Editor, go to Computer Configuration > Administrative Templates > Network > DNS Client > Turn off smart multi-homed name resolution.
2. Click policy setting.
3. Set to Disabled, then click OK.
4. In Registry Editor, go to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\DNSClient.
5. Set "DisableSmartNameResolution"=dword:00000000