Exchange 2010 Hub Transport Role Installation Fails error solved

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