This setting disabled the automatic logon to Netware servers.
Using Regedit open the key below, if it doesn’t already exist, create it.
Create a new DWORD value of ‘DisableDefaultPasswords’, and modify the value to equal ‘1’ for disabled automatic logon, or ‘0’ for automatic logon.
Key: [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NWNP32\NetworkProvider]
Value Name: DisableDefaultPasswords
Data Type: REG_DWORD