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Trouble Shooting a DCC Connection

The DCC host is running:

You start then DCC on the "Guest":

It starts to establish the connection, you see on the Host and/or
Guest
the message of "Verifying username and password":

but then you get:

It is time to check your setup / configuration :
If you use a Serial Direct-Cable connection, you have to check it yourself manually
step-by-step.
If you use a Parallel Direct-Cable connection ,
then one of the easiest ways to trouble shoot
a DirectParallel® DCC connection is to use the "DirectParallel®
Connection Monitor" from
Parallel
Technologies (the
creators/developers of the DirectParallel® DCC drivers licensed
to Microsoft)
DirectParallel®
Connection Monitor (DPM)
Diagnostic, Troubleshooting and Testing Utility
For Direct Cable Connection (DCC)
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One of the easiest ways to
trouble shoot a DirectParallel® DCC connection is
to use the DirectParallel® Connection Monitor from
Parallel Technologies
(the creators/developers of the
DirectParallel® DCC drivers licensed to Microsoft).
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DirectParallel®
Connection Monitor (DPM) is a very useful utility for
diagnosing, troubleshooting and testing the Direct Cable
Connection (DCC) feature in Windows 95/98. It has a
built-in DCC Wizard for showing what is wrong with your
DCC setup and recommending possible corrections.
It shows the data connection and possible data transfer
speeds for PC to PC File Transfer and Networking. And it
shows the parallel port type, I/O Modes, and cable type
used for the connection.
It is very helpful in setting up, troubleshooting and
testing DCC connections ... Determining why your
connection may not be working or is running slower than
you expected ... And seeing how fast your DCC connection
really is. Download DPM now from Parallel
Technologies ... The
creators/inventors/developers of the PC to PC
DirectParallel® technology licensed to Microsoft for
Windows Direct Cable Connection (DCC).
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DCC Wizard ...
Diagnostic and Trouble Shooting Information
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The DCC Wizard provides diagnostic and
trouble shooting information to help determine why the
DCC connection may not be working. Just run a test and
if this DCC Wizard button is flashing RED, then it has
detected a potential DCC connection problem and you can
click on the DCC Wizard button to find out what might be
wrong.
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Local Computer
Parallel Port and Other Information
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Clicking on the Local Computer Eyeglass
icon will display the Driver Diagnostic information for
the Local Computer. |
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Clicking on the Local Computer icon will
display the configuration information of the Local
Computer |
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These icons show what Parallel Ports are
installed on the Local Computer ... LPT1:, LPT2:, and
LPT3:
Clicking on the Local Computer Parallel Ports icon will
display the Parallel Port Information for the Local
Computer
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Remote Computer
Parallel Port and Other Information
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Clicking on the Local Computer Eyeglass
icon will display the Driver Diagnostic information for
the Local Computer. |
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Clicking on the Local Computer icon will
display the configuration information of the Local
Computer |
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These icons show what Parallel Ports are
installed on the Local Computer ... LPT1:, LPT2:, and
LPT3:
Clicking on the Local Computer Parallel Ports icon will
display the Parallel Port Information for the Local
Computer |
Raw Data Transfer
Rates, Cable Information, Etc...
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The Cable icon shows which Parallel Ports
have successfully made a connection, what type of cable
is connected, and the I/O Mode the PCs are using to
communicate. |
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This is the Data Transfer Speed display
... Data Transfer Speed is shown in Kbytes/Sec and in Bar
Graph form. |
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This is where the various diagnostic and
other information is displayed. |
To check a serial Direct
Cable Connection
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Verify, that on the
DCC Guest the
"Browse Master" is Disabled
and on the DCC Host Enabled. |
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Did you configure on
both the DCC Host
and Guest the speed
of the connection to
the same value ? |
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Check also the
speed of the COM-
port, I also changed
the speed to the
required value on
BOTH systems. |
NOTE: although not shown by Win95/98: after
changing the speed of the COM-port
or Serial Cable Modem:
REBOOT the system for
the change to take effect !
(It did NOT work on my systems without
a reboot)
If it "hangs-up" immediately:

check that you have on both systems the same Network-protocol
installed, otherwise the systems cannot talk to each other !
You can create a Log-file for the Serial-Modem,
which
is activated in the Properties of the "Serial-Cable
Modem",
tab: Connection, under "Advanced":

In Win98, there is even a button to view the Log (I did NOT find
the
Log-file on Win95):

This was an example, where the cable was good, but the
Browse-Master
settings were wrong, so the connection was immediately
terminated.
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