"HKLM\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters\OptionalNames" to serveraliasname (MULTISZ)
"HKLM\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters\DisableStrictNameChecking" to 1 (DWORD)   []

"HKLM\SYSTEM\CurrentControlSet\Control\Lsa\DisableLoopbackCheck" to 1 (DWORD)  []

"setspn -A 192.168.1.100/SERVERALIAS SERVERREAL"   (192.168.1.100 is the serverreal ip address)

Reference:
- http://support.microsoft.com/kb/926642/en-us
- http://technet2.microsoft.com/windowsserver/en/library/b3a029a1-7ff0-4f6f-87d2-f2e70294a5761033.mspx?mfr=true
- http://www.netbros.com/OptionalNames
- setspn command is in Support Tools