Troubleshooting TCP/IP
Setup
Do I have the right TCP/IP version?
What if I'm not connected to the Internet?
Is my TCP/IP installed correctly?
Installation
How do I recover from error 1?
How do I recover from error 2?
How do I recover from error 3?
How do I recover from error 4?
How do I recover from warning 5?
How do I recover from error 6?
How do I recover from warning 7?
How do I recover from error 8?
How do I recover from warning 9?
Upgrading and Registering
How do I recover from an expired or bad license number?
Common Situations
Why can't users connect to my server?
Why isn't my license number recognised anymore?
Why is my server slow?
How do I remove PowerWeb as an NT service?
Mail (SMTP and POP3) Setup
What do I need to setup for mail?
Setup
Do I have the right TCP/IP version?
PowerWeb Server++ for NT/Win95 requires
Microsoft Windows NT 3.5x or later
or Microsoft Windows 95 or later
with TCP/IP installed and operating correctly.
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What if I'm not connected to the Internet?
- You can always run PowerWeb standalone, or
you can run it on a Intranet if you are connected to a TCP/IP network.
- If your machine is standalone,
you can run PowerWeb Secure Server++ in "localhost" mode, which
allows you to serve to your own "local" machine only.
- If you are on a TCP/IP network, you can serve to any computer on the
network.
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Is my TCP/IP installed correctly?
These are the steps to go through to test your TCP/IP:
-
ping your LAN adapter's IP address to measure response.
Our IP address is 196.31.1.61, you must replace our IP address
with your IP address.
You can ping IP addresses on other computers to see if you can connect to
them or they can ping your IP address to see if they can connect
to you. If you can't then either you or they have either installed
TCP/IP incorrectly or you have a network routing problem.
This is the result when ours works:
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How do I recover from error 3?
PowerWeb ensures that your IP address maps to your host name and also
that your host name maps back to the original IP address. If the mapping
back from the host name to the IP address fails, it means that your
HOSTS file is not set up correctly.
Refer to the notes regarding Error 2 above for setting up your HOSTS file.
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How do I recover from error 4?
This error message occurs when you have multiple IP addresses defined
on your machine, and your HOSTS file is inconsistent. In this case
PowerWeb mapped your primary IP address to a specific host name, but when
that host name was mapped back to an IP address, a different IP address
was returned. This is a serious error and will cause malfunctioning
of your server.
Refer to the notes regarding Error 2 above for setting up your HOSTS file.
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How do I recover from warning 5?
This warning message indicates that you are either not online to the
Internet or that your domain name server (DNS) is malfunctioning. If
you are serving only locally or to your private LAN and not to the Internet
you can ignore this warning.
If your server is meant to be online to the Internet, then the most likely
cause of this message is that your TCP/IP configuration settings do not
specify a valid DNS server IP address, or your service provider's
DNS is either not operating or is not setup correctly. The easiest way
to test this is to use your Web browser to access other sites on the
Internet.
To define your DNS server's IP address for a permanent Internet connection:
- Run Control Panel and open the Network program
- Select the "Protocols" tab within the notebook and double-click
on "TCP/IP Protocol"
- Select the "DNS" tab
- Fill in the "DNS Service Search Order" listbox.
- Close the configuration programs.
- Shutdown and reboot your machine.
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How do I recover from error 6?
This message indicates that you were previously running a server on the
same machine as you are installing PowerWeb. If you shut down that TCP/IP
service and wait a while (sometimes as long as 5 minutes),
TCP/IP will release the port and enable PowerWeb to use it.
In the case of port 80 (for HTTP), PowerWeb will automatically choose
port 8000 instead and install itself on that port, allowing you to run
your old server (if any) alongside PowerWeb. You can always change your
HTTP port later by choosing "Services" from the main PowerWeb admin
page while PowerWeb is running.
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How do I recover from warning 7?
PowerWeb needs to know your timezone for your machine's location so that
it can send the correct timestamp information to remote clients. Many
Web browsers rely on the server's clock and timezone being correctly
set so that they can cache images or documents locally, fetching new
copies only when the cache is out-of-date.
To define your timezone:
- Run "Control Panel" and open the "Date/Time" program
- Select the "TimeZone" tab within the notebook.
- Fill in the "Timezone" edit field.
- Close the configuration program.
- Shutdown and reboot your machine.
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How do I recover from warning 9?
PowerWeb needs to use your HOSTS file to determine host name aliases of
your machine to be able to correctly run SMTP and POP3 services.
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Upgrading and Registering
How do I recover from an expired or bad license number?
On server startup, if the server responds saying you have an expired or
invalid license, it will attempt to load in LocalHost mode.
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Common Situations
Why can't users connect to my server?
Follow the ping instructions above to determine
where the fault lies.
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Why isn't my license number recognised anymore?
One of the following has occurred:
- Your IP address and your host name have both changed.
You must apply for a new license in compliance with the
Licensing Agreement.
- Your test drive has expired.
You can start PowerWeb in local mode with:
powerweb -local
and then you can register PowerWeb and obtain a valid license.
- Your configuration file is corrupt.
Restore it from backup or re-install.
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Why is my server slow?
If your PowerWeb server seems to be slow, then it is likely to be a
networking problem. This can be diagnosed as follows:
- Start PowerWeb
- Within an NT command session, change directory to
"\powerweb\sys401.r9\bin" (which is the location for version 4.01
and may be different on your system if you are running another version).
- Execute the command
submit -r10
which will send 10 consecutive requests to your server for its home page.
- Look at the average time reported - it should be between 10 and 80 milliseconds
depending on the speed of your machine and whether any other programs
are running at the time.
- If the time is substantially above 80 milliseconds, shutdown and
reboot your machine, because the TCP/IP stack sometimes needs
re-initialising. If the speed is still slow, you probably have a TCP/IP
configuration problem.
- If the speed is OK on the server machine, then go to another workstation
on the same TCP/IP subnet and execute the "submit" command again, but
this time mention your server's IP address and also execute a ping, as follows:
submit -r10 -i12.34.56.78
ping 12.34.56.78
- Network delays will mean the average response time is likely to be
worse, but the time should not increase by much more than the average
ping time.
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How do I remove PowerWeb as an NT service?
Go to a command line session and change directory to the PowerWeb server root and run
(depending on the version of your PowerWeb server):
pwsvc402 -remove
If you get an error message saying the service cannot be found, you have
a corrupt NT registry, in which case the following will most likely
correct the problem:
pwsvc402 -install
pwsvc402 -remove
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Mail (SMTP and POP3) Setup
What do I need to setup for mail?
Please read the mail overview
for instructions.
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