This appendix includes information on the changes that Cisco DialOut Utility makes to your Windows files, as well as a list of the filenames and an explanation of each file's purpose.
Windows 95 and Windows NT Registry Entries
When you run SETUP.EXE, the Cisco DialOut Utility revises the statements in the Windows 95 or Windows NT Registry or adds the statements described in the following sections.
Registry Entries for Windows 95 and Windows NT
The following statements appear in both the Windows 95 and Windows NT Registries in the following path to the Cisco DialOut Utility support modules:
HKEY_LOCAL_MACHINE
hardware
devicemap
serialcomm
DialOut-portname (portname is the name of the virtual com port)
SOFTWARE
Cisco Systems, Inc.
DialOut
DLLs
Port IDs
Ports
Value Id is the internal name of the module. The first line is the path to the module. The second line is the entry point into the module.
PortIds associate a port name with an internal port ID. Port List of the virtual com ports.Value Id is the internal name of the port. The first line is the IO Manager name of the port. The second line is network driver parameters. The third line is local com port parameters.
Parameters needed by the operating system to load the device driver layer.
Parameters list of virtual com ports. Value Id is the IO Manager name of the port (with xx appended to the front of the name). The first line is the internal name of the port.
DOUTWnt
(Root)
Used to start the helper service.
WIN.INI Entries
If you are using Windows 3.1x, the Cisco DialOut Utility makes the following changes to the WIN.INI file:
FirstTime is set to 1 immediately after installation, so the Cisco DialOut Utility knows it needs to perform certain tasks upon startup. After you reboot the PC and the Cisco DialOut Utility performs the startup tasks, FirstTime is set to 0.
PasswordCache is a reserved system value. It is always set to 1 andcannot be changed.
NeedSecurity is set to 0 or 1.
0—Do not ask user for login information at startup.
1—Ask user for login information at startup. (This is the default.)
DefaultShow is no longer used.
Directory=C:\PROGRAMS\CISCO\DIALOUT.WIN is the default Windows 3.1x drive and directory for Cisco DialOut Utility. If you selected another drive or directory, this line will reflect your selection.
COMx displays an asterisk (*) for ports that are not used by Cisco DialOut Utility. For ports used by Cisco DialOut Utility, this line indicates the IP address and modem settings.
DialOutDriver displays a list of the DLLs used by the Cisco DialOut Utility.
SYSTEM.INI Change
During installation, the Cisco DialOut Utility copies your existing COMM.DRV file to a file called ORGCOMM.DRV and replaces it with Cisco DialOut Utility's own COMM.DRV file. This should not affect the operation of Windows.
Filenames and Purposes
Table B-1 lists the files that the Cisco DialOut Utility places in the directory you specify during setup. Not all files are installed on all Windows platforms, and the setup files are present on the Cisco DialOut Utility installation disk but are not installed on the hard disk.
Table B-1 Filenames and Purposes
Filename
Purpose
SETUP.EXE
Used to install or reinstall the Cisco DialOut Utility1
SETUP.WNT
Contains installation instructions and information1
SETUP.HLP
Help file for the SETUP program1
DOUTUTL.EXE
Cisco DialOut Utility program
DOUTUTL.HLP
Help file for the Cisco DialOut Utility program
DOUTWNT.EXE
Main helper layer module (Windows NT only)
DOUTWMG.DLL
Event messages for the helper layer (Windows NT only)
DRV2TLN.DLL
Network helper layer module to interface to the Cisco DialOut Utility
DOUTALL.DLL
Helper layer module that contains common functions used by other Helper layer modules
DOUTDRV.SYS
Cisco DialOut Utility driver (Windows NT only)
UNINSTALL.EXE
Removes the Cisco DialOut Utility system from the workstation (Windows 95 and Windows NT)
UNINSTAL.EXE
Removes the Cisco DialOut Utility system from the workstation (Windows 3.1x)
DOUTLCL.DLL
Helper layer module that contains additional common functions (Windows 95 and Windows NT)
COMM.SYS
Cisco DialOut driver for Windows 3.1x
DOUTDRV.VXD
Cisco DialOut driver for Windows 95
1File is on installation disk but is not installed on hard disk.
