HP Xw9400 Remote Graphics Software 4.2.0 User Guide - Page 45

Uninstalling and Disabling Easy Login

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Getting Started with Remote Graphics Software match the string originally discovered in the registry key GinaDLL. Confirm the spelling before closing. 3. Restart the system. When the RGS hprgina.dll is loaded by WinLogon, hprgina loads the chained GINA DLL foogina.dll. The hprgina module then chains all GINA requests to the foogina module. If the custom foogina.dll is also a chaining GINA module, foogina, in turn, chains itself to the msgina module. Three GINA DLLs will be loaded as part of the WinLogon.exe process: 1) hprgina.dll, 2) foogina.dll, and 3) msgina.dll. Setting the Local Security Policy The local security policy "Interactive logon: Do not require CTRL-ALT-DEL" must be disabled to support Easy Login. This can be set in the Windows "Local Security Settings" under "Security Options." The RGS Diagnostic Tool programmatically detects if this local security policy is set correctly. See the RGS Diagnostic Tool section for more information. Note: Creating the GinaDLL registry key disables Window's "Fast User Switching" and "Welcome Screen" features. Uninstalling and Disabling Easy Login There are two methods used to disable RGS Easy Login. 1. Using rgadmin Tool: The RGS Rgadmin Tool contains command-line options to disable RGS Easy Login. This method is preferred over the manual method. 2. Manual Method: To disable Easy Login without the use of the rgadmin tool, delete or rename the value of the GinaDLL registry key. If there is no other custom GINA module on the system, simply removing the GinaDLL key definition from the registry disables Easy Login. The GinaDLL key: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\GinaDll is removed through the use of regedit, the Windows Registry Editor. Be certain to actually remove the key by selecting the GinaDLL key in regedit and select the Delete entry in the Edit menu. Once the key is deleted, it no longer shows up as a key in the WinLogon subkey. When the system reboots, the default GINA module, msgina.dll, will be loaded by the WinLogon.exe process. If there is a custom GINA DLL module on the system and it replaces the default msgina.dll, change the value of the GinaDLL value from hprgina.dll to the name of the custom GINA module. To change the value of the GinaDLL key, select the 37

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Getting Started with Remote Graphics Software
37
match the string originally discovered in the registry key
GinaDLL
. Confirm
the spelling before closing.
3.
Restart the system.
When the RGS
hprgina.dll
is loaded by
WinLogon
,
hprgina
loads the chained
GINA
DLL foogina.dll
. The
hprgina
module then chains all GINA requests to the
foogina
module.
If the custom
foogina.dll
is also a chaining GINA module,
foogina
, in turn, chains
itself to the
msgina
module. Three GINA DLLs will be loaded as part of the
WinLogon.exe
process: 1)
hprgina.dll
, 2)
foogina.dll
, and 3)
msgina.dll
.
Setting the Local Security Policy
The local security policy "
Interactive logon: Do not require CTRL-ALT-DEL
" must be
disabled
to support Easy Login. This can be set in the Windows "Local Security
Settings" under "Security Options." The RGS Diagnostic Tool programmatically
detects if this local security policy is set correctly. See the RGS Diagnostic Tool
section for more information.
Note
: Creating the
GinaDLL
registry key disables Window's "Fast User Switching" and
"Welcome Screen" features.
Uninstalling and Disabling Easy Login
There are two methods used to disable RGS Easy Login.
1. Using
rgadmin
Tool:
The RGS Rgadmin Tool contains command-line options to disable RGS Easy Login.
This method is preferred over the manual method.
2. Manual Method:
To disable Easy Login without the use of the
rgadmin
tool, delete or rename the
value of the
GinaDLL
registry key. If there is no other custom GINA module on the
system, simply removing the
GinaDLL
key definition from the registry disables Easy
Login. The
GinaDLL
key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows
NT\CurrentVersion\Winlogon\GinaDll
is removed through the use of
regedit
, the Windows Registry Editor. Be certain to
actually remove the key by selecting the
GinaDLL
key in
regedit
and select the
Delete
entry in the
Edit
menu. Once the key is deleted, it no longer shows up as a
key in the
WinLogon
subkey. When the system reboots, the default GINA module,
msgina.dll,
will be loaded by the
WinLogon.exe
process.
If there is a custom GINA DLL module on the system and it replaces the default
msgina.dll
, change the value of the
GinaDLL
value from
hprgina.dll
to the name
of the custom GINA module. To change the value of the
GinaDLL
key, select the