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Connection/Network issues
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Answers to problems with connecting to your remote clients or the Licence Management System
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There were 19 questions found in this category:
 How can I manually configure my Windows XP firewall to allow AB Tutor Control to work?
Microsoft Windows XP ships with a built-in firewall that protects your computer against unauthorised programs accessing the network or Internet. AB Tutor Control is a program that uses your network to connect to other computers and so will be blocked by the firewall. To fix this, we need to al ...
- How to connect to another computer over the internet using IP addresses in Version 6
In order to connect to a remote machine over the Internet, the IP address of that machine MUST be a public-facing static IP address. (i.e. one that can been see by anyone on the Internet and not dynamically generated by a DHCP server within a private network).You must also make sure that you a ...
- I am having trouble connecting with another computer over the Internet using IP addresses.
In order to connect to a remote machine over the Internet, the IP address of that machine MUST be a public-facing static IP address. (i.e. one that can been see by anyone on the Internet and not dynamically generated by a DHCP server within a private network).You must also make sure that you a ...
- I can see but cannot connect to my clients and get the "10060" error message.
The 10060 error, "Unable to connect to host: The Attempt to connect timed out without establishing a connection" is almost always caused by a firewall blocking the communication between the AB Tutor program and the clients. If your clients are Windows XP, we have created a step-by-step guide to ...
- I get a warning message 'Unable to resolve host by name. No such host is known (11001)'
The 11001 error message is 'Host not found'. This means that AB Tutor Control is trying to find the actual IP address of the remote machine from the computers name. This may happen if you are launching AB tutor Control and selecting a 'Classroom Group'. When you do this, the names you entered f ...
- I get an "Authentication Failure" message and the status "Invalid Connection Password"
Although you are able to ‘see’ a computer, when you try to connect to it, a red cross appears over the icon of the computer, the error message ‘Invalid Connection Password’ appears in the Status bar, and you get an ‘Authentication Failure’ message.[Please scr ...
- I get an "Authentication Failure" message and the status "Invalid Connection Password."
Although you are able to ‘see’ a computer, when you try to connect to it, a red ‘No entry’ sign appears over the icon of the computer, the error message ‘Invalid Connection Password’ appears in the Status bar, and you get an ‘Authentication Failure̵ ...
- I get an 'Unable to verify your licence' warning but I have valid licences?
Every time a registered copy of the software is launched, AB Tutor Control ‘phones home’ and connects to the license management system via the Internet to check that the installation that is being run is valid – to ‘verify’ the license. You will get the warning &# ...
- I get an Error Message "System Error 10055"
The system error 10055: "An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full" occurs when an operation on a socket or pipe was not performed because the system lacked sufficient buffer space or because a queue was full. I ...
- I get the error message no. 11004
This error can occur when you are trying to connect to a remote machine using the machine's name or a domain name and your network or DNS server is unable to resolve the name correctly. For example, the DNS server may return a valid MX record, but there may not be a valid A record indicating th ...
- I have just upgraded AB Tutor Control and now get 10060 or 10061 error messages.
Most firewalls detect when software programs have been changed (upgraded or corrupted) and, by default, block the new program. You need to make sure that the upgraded program has not been blocked. Refer to your firewall user documentation on how to do this with your particular firewall. The imag ...
- I have the error message "Connection closed by remote client"
This error is caused by the client (or student) machine being powered down or physically removing the network cable.To ensure the connection is restored immediately the machine returns to the network, use the "Auto-reconnect when connection is lost" feature. This can be found in settings, under ...
- Some of my client connections fail with error 10060 when they are in a classroom group, however if I use 'find ALL' they connect OK
This is down to your DHCP and DNS server (or WINS if you use NetBios) not releasing/refreshing correctly. The Microsoft DNS services are meant to map the computer's name to its dynamically assigned IP address from the DHCP server. If your DNS server caches the IP addresses assigned to compute ...
- Sometimes ABTC seems to allocate names to machines at random.
This is usually down to your DHCP and DNS server (or WINS if you use NetBios) not releasing/refreshing correctly. The Microsoft DNS services are meant to map the computer's name to its dynamically assigned IP address from the DHCP server. If your DNS server caches the IP addresses assigned to ...
- Today I get an invalid connection password trying to connect to a group of machines, but I have made no changes.
Invalid Connection Passwords when connecting to groupsProblem: you create a classroom group and set a password on that group on one day and the next day, when you try to connect to that group, you are unable to connect to some of those machines, and you get an "Invalid Connection Password" mess ...
- Version 5 - How can I configure AB Tutor Control to run through our proxy server?
If any computer on which AB Tutor Control is installed accesses the Internet via a proxy server, then details of the proxy server must be entered into AB Tutor Control's settings.- Launch AB Tutor Control (you will see a warning message as the program fails to connect to the Internet)- Select th ...
- Version 6 - How can I configure AB Tutor Control to run through our proxy server?
If any computer on which AB Tutor Control is installed accesses the Internet via a proxy server, then details of the proxy server must be entered into AB Tutor Control's settings.- Launch AB Tutor Control (you will see a warning message as the program fails to connect to the Internet)- Select th ...
- What does the "Warning: The AB Client program is currently running on this computer" mean?
Symptom:When you launch the AB Tutor Control program, you get the following warning message:WARNING: The ABClient program is currently running on this computer. This can cause the 'Find Computers' to fail when scanning your network for remote workstations. You will still be able to connect to c ...
- When I try to connect to a client, it comes up with 10061 error code.
The 10061 error code, 'No connection could be made because the target machine actively refused it' typically occurs when software such as a firewall (including the XP firewall) or Internet/Virus protection software on the client machine is blocking AB Tutor Control from connecting to it. If you ...
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