Friday, June 09, 2006
Novell vs Windows login prompt?
Well, I started a new job, and I have been re-introduced to Novell Netware! :-o Anyway, I updated my computer provided to me from Windows XP Service Pack 1 to SP2, and I started having trouble getting the login prompt to show up. I remember having come across this problem almost 2 years ago now, but I thankfully remembered how to get around it. Besides, for whatever reason, it seems that the Novell authentication still works even without using the Novell login box. Well, here's how to fix the problem if you upgrade to XP Service Pack 2 while you've got the Novell client installed:
First, a little background information. Windows XP uses a DLL file called msgina.dll (located in %windir%\system32) to display the login prompt and accept user credentials. When the Netware client is installed, it "takes over your system" by replacing msgina.dll with its own login prompt, appropriately named nwgina.dll. The setting that changes which login prompt is used, is found in the registry under the HKEY_LOCAL_MACHINE hive. If you can't get the Netware login prompt to display after upgrading to SP2, here's a method that worked for me to get around the problem:
First, a little background information. Windows XP uses a DLL file called msgina.dll (located in %windir%\system32) to display the login prompt and accept user credentials. When the Netware client is installed, it "takes over your system" by replacing msgina.dll with its own login prompt, appropriately named nwgina.dll. The setting that changes which login prompt is used, is found in the registry under the HKEY_LOCAL_MACHINE hive. If you can't get the Netware login prompt to display after upgrading to SP2, here's a method that worked for me to get around the problem:
- Boot into Windows XP safe mode by pressing F8 right between POST (Power-on self-test) and Windows XP loading
- Make sure you choose basic safe mode, not safe mode with networking, as this will still attempt to load nwgina.dll
- Login to a local user account with administrative access to the computer
- Choose Start --> Run ... --> type "regedit" and press enter
- Navigate to the following path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current Version\Winlogon
- Find the GinaDLL value, double-click to change it, and type in "msgina.dll"
- Reboot your computer into normal mode, and login
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