Open Registry Editor.
Locate the registry subkey:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters
In the details pane, click New, and then click DWORD Value.
Type DisabledComponents, and then press ENTER.
Double-click DisabledComponents, and then type 0xffffffff in Hexadecimal or 4294967295 in Decimal.
Restart
Run the exchange setup again
