Enabling Network Level Authentication on Windows XP Service Pack 3 for access to Server 2008 via Remote Desktop
"The remote computer requires Network Level Authentication, which your computer does not support."
To enable NLA on XP SP3, run regedit.exe:
1. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
2. Add tspkg to the Security Packages REG_MULTI_SZ
3. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders
4. Add credssp.dll to the SecurityProviders REG_SZ (separated by commas)
5. Reboot
happys days
