Creating a NetBIOS alias for the our Server

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters Add a new Multi-String value called OptionalNames. Enter one or more aliases, one per line.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters Add a new DWORD value called DisableStrictNameChecking and set to 1.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters Add a new DWORD value called DisableLoopBackCheck and set to 1.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0
Add a new Multi-String Value BackConnectionHostNames. Enter one or more aliases, one per line.

Fonte: http://www.andreagallazzi.com/2010/01/creating-netbios-alias-for-our-server.html