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Error codes below relate to Pearson server communication errors:

Error numberError messageAdditional info and instruction
8021Unable to communicate with the testing server. Please contact your administrator. Contact your local system or network administrator; the network connection was either not found or the connection was lost during authentication. 

This is usually the result of a network connectivity problem. Verify the network connection, and try again.   

If you cannot connect after the second attempt, close TestNav. Fix any network connectivity issues. Check that the testing machine is connected to the school's network. Check ethernet cables or wireless connections, routers and switches, and so on. Check that proctor caching is running on any proctor caching computer in use and that the appropriate ports are open in the firewall. When a working network connection is confirmed, try again. After the connection is restored, check the student's test status in the administrative application and reset, if needed. Then, you can resume the student's testing session and have the student log in.  
8022Unable to communicate with the testing server. Please contact your administrator. Contact your local system or network administrator; the testing server URL that was requested was not found (404) or there was an internal server error (500) during authentication.  

This is usually the result of a network connectivity problem. Verify the network connection, and try again.  

If you cannot connect after the second attempt, close TestNav. Fix any network connectivity issues. Check that the testing machine is connected to the school's network. Check ethernet cables or wireless connections, routers and switches, and so on. Check that proctor caching is running on any proctor caching computer in use and that the appropriate ports are open in the firewall. When a working network connection is confirmed, try again. After the connection is restored, check the student's test status in the administrative application and reset, if needed. Then, you can resume the student's testing session and have the student log in.  
8023Unable to communicate with the testing server. Please contact your administrator. Contact your local system or network administrator; there was a parser error (bad data was sent from the application to the engine or from the engine to the server) during authentication. The user's login information was sent to the server, but either it or the response was empty, malformed, or corrupted.  

This is usually the result of a network connectivity problem. Verify the network connection, and try again.  

If you cannot connect after the second attempt, close TestNav. Fix any network connectivity issues. Check that the testing machine is connected to the school's network. Check ethernet cables or wireless connections, routers and switches, and so on. Check that proctor caching is running on any proctor caching computer in use and that the appropriate ports are open in the firewall. When a working network connection is confirmed, try again. After the connection is restored, check the student's test status in the administrative application and reset, if needed. Then, you can resume the student's testing session and have the student log in.  
8024Unable to communicate with the testing server. Please contact your administrator.Contact your local system or network administrator; the transmission timed out during authentication. 

This is usually the result of a network connectivity problem. Verify the network connection, and try again.  

If you cannot connect after the second attempt, close TestNav. Fix any network connectivity issues. Check that the testing machine is connected to the school's network. Check ethernet cables or wireless connections, routers and switches, and so on. Check that proctor caching is running on any proctor caching computer in use and that the appropriate ports are open in the firewall. When a working network connection is confirmed, try again. After the connection is restored, check the student's test status in the administrative application and reset, if needed. Then, you can resume the student's testing session and have the student log in.  
8025There has been a problem loading this item. Please contact your administrator.Contact your local system or network administrator; the transmission aborted during authentication. 

This is usually the result of a network connectivity problem. Verify the network connection, and try again.  

If you cannot connect after the second attempt, close TestNav. Fix any network connectivity issues. Check that the testing machine is connected to the school's network. Check ethernet cables or wireless connections, routers and switches, and so on. Check that proctor caching is running on any proctor caching computer in use and that the appropriate ports are open in the firewall. When a working network connection is confirmed, try again. After the connection is restored, check the student's test status in the administrative application and reset, if needed. Then, you can resume the student's testing session and have the student log in.  
8026Unable to connect to the proctor caching computer. Please contact your administrator. Contact your local system or network administrator; the connection to the proctor caching server could not be established. 

This is usually the result of a network connectivity problem. Verify the network connection, and try again.  

If you cannot connect after the second attempt, close TestNav. Fix any network connectivity issues. Check that the testing machine is connected to the school's network. Check ethernet cables or wireless connections, routers and switches, and so on. Check that proctor caching is running on any proctor caching computer in use and that the appropriate ports are open in the firewall. When a working network connection is confirmed, try again. After the connection is restored, check the student's test status in the administrative application and reset, if needed. Then, you can resume the student's testing session and have the student log in.  
8027iOS:
The testing server can not be reached. Please verify your internet connection and then choose Retry, or close the app and try again later. ChromeOS: 
The application start page server can not be reached. Please verify your internet connection and then choose retry, or close the app and try again later.
Contact your local system or network administrator; a network connection could not be established. 

This is usually the result of a network connectivity problem. Verify the network connection, and try again.  

If you cannot connect after the second attempt, close TestNav. Fix any network connectivity issues. Check that the testing machine is connected to the school's network. Check ethernet cables or wireless connections, routers and switches, and so on. Check that proctor caching is running on any proctor caching computer in use and that the appropriate ports are open in the firewall. When a working network connection is confirmed, try again. After the connection is restored, check the student's test status in the administrative application and reset, if needed. Then, you can resume the student's testing session and have the student log in.  
8028The java applet is unable to load.  This can occur when Oracle disables an existing version of Java because a new version has been released that contains critical fixes. Please upgrade to the latest version of Java.Upgrade Java on your machine.
8029 The installed app is out of date and needs to be updated in order to use TestNav on this device.Download and install the latest version of the app.
8030 A required file has been changed, and the test cannot start. Please contact your administrator.Contact your local system or network administrator; a required file has been changed.

 


 

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