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version 1.15, 2019/09/20 23:13:05
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> |
<title>LON-CAPA Login Problems</title> |
<title>LON-CAPA Login Problems</title> |
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<script type="text/javascript"> |
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function openwin() { |
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var testwin=window.open('/adm/rat/empty.html','test','menubar=0,width=200,height=100'); |
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testwin.document.clear(); |
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testwin.document.writeln('PASSED TEST'); |
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testwin.document.close(); |
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testwin.focus(); |
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} |
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</script> |
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<body bgcolor="#FFFFFF"> |
<body bgcolor="#FFFFFF"> |
<h1>Login Problems with LON-CAPA</h1> |
<h1>Login Problems with LON-CAPA</h1> |
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LON-CAPA is designed to work with the following browsers |
LON-CAPA is designed to work with the following browsers |
<ul> |
<ul> |
<li>Mozilla version 1.0 and higher</li> |
<li>Mozilla version 1.0 and higher</li> |
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<li>Mozilla Firefox</li> |
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<li>Camino</li> |
<li>Netscape version 4.7 and higher</li> |
<li>Netscape version 4.7 and higher</li> |
<li>Internet Explorer version 5.0 and higher</li> |
<li>Safari version 1.1.1 and higher</li> |
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<li>Galeon version 1.2 and higher</li> |
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<li>Google Chrome</li> |
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<li>Internet Explorer version 5.1 and higher</li> |
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<li>Opera version 10 and higher</li> |
</ul> |
</ul> |
on the following operating systems |
on the following operating systems |
<ul> |
<ul> |
<li>Linux</li> |
<li>Linux</li> |
<li>UNIX</li> |
<li>UNIX</li> |
<li>MacOS</li> |
<li>MacOS</li> |
<li>Windows</li> |
<li>Microsoft Windows 98 and higher</li> |
</ul> |
</ul> |
If you have problems logging in with any browser or any operating system not |
If you have problems logging in with any browser or any operating system not |
listed above, please <b>use another browser or computer.</b> |
listed above, please <b>use another browser or computer.</b> |
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Please please submit a help request to <a href="/adm/helpdesk?origurl=%2fadm%2floginproblems.html">LON-CAPA support</a> if you have any problems. |
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<h2>I would like to use my Pocket Computer or PDA to access LON-CAPA</h2> |
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While we can make no guarantees that LON-CAPA will work with your particular |
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Pocket Computer or PDA, it runs fine on Apple iPhones, iPads, and iPods using Safari, as well as on several Android devices. |
<h2>I get "Username and/or password could not be authenticated"</h2> |
<h2>I get "Username and/or password could not be authenticated"</h2> |
<ul> |
<ul> |
<li> |
<li> |
Line 33 Especially if you hit upon this page by
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Line 53 Especially if you hit upon this page by
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some other search engine, you might have hit a server at another place. Please |
some other search engine, you might have hit a server at another place. Please |
make sure to use the URL provided to you. |
make sure to use the URL provided to you. |
</li></ul> |
</li></ul> |
<h2>I get "Login token missing, inaccessible or expired"</h2> |
<h2>I get a list of computers ...</h2> |
This is a very rare problem. If it occurs, please wait for 20 minutes, reload |
This means that the server you attempted to login to is currently not |
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available. For example, it might be undergoing maintenance. Please click on |
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any of the other server, giving preference to the ones that say "preferred." |
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<h2>I get "Information needed to verify your login information is missing, inaccessible or expired"</h2> |
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LON-CAPA does internal encryption of password information submitted from the |
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login screen, but only keeps the decryption information for a day. Simply pull |
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up the login screen again. |
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If that does not solve the problem, please wait for 20 minutes, reload |
the login page, and try again. If after 20 minutes LON-CAPA still gives you |
the login page, and try again. If after 20 minutes LON-CAPA still gives you |
the same message, please email the Server Administrator listed on the login |
the same message, please submit a help request to <a href="/adm/helpdesk?origurl=%2fadm%2floginproblems.html">LON-CAPA support</a>. |
page. The Server Administrator can verify your situation and re-enable logins. |
The server administrator will be able to verify your situation and re-enable logins. |
<h2>After logging in, I get the message "Welcome," but then nothing happens |
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</h2> |
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<ul> |
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<li>The most common problem is that your browser is not one of the browsers |
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listed above.</li> |
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<li>If you have a supported browser, it might be hung. Please completely quit |
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your browser, and start it again.</li> |
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<li>You might have installed a filter against so-called "pop-up adds" (those |
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obnoxious windows that come up into your face trying to sell you something |
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while you are surfing). These filters will prevent LON-CAPA from running |
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properly. Please disable the filter for your school's domain, for example |
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"xyzu.edu."</li> |
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<li>If all else fails, please <b>try from another computer.</b></li> |
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</ul> |
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<h2>I hit "Log In," but nothing happens, or I get error messages and |
<h2>I hit "Log In," but nothing happens, or I get error messages and |
warnings</h2> |
warnings</h2> |
<ul> |
<ul> |
Line 60 listed above.</li>
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Line 73 listed above.</li>
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<li>You might have modified the preferences in your browser. In particular, the |
<li>You might have modified the preferences in your browser. In particular, the |
following preferences can be a problem: |
following preferences can be a problem: |
<ul> |
<ul> |
<li>Scripting languages, in particular JavaScript, is disabled.</li> |
<li>Scripting languages, in particular JavaScript, is disabled. |
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<i>Test: as you <a href="javascript:alert('PASSED TEST');">click here</a>, |
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a small window should appear. If no window appears, scripting is disabled.</i> |
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</li> |
<li>The security settings are cranked up to a higher level. In particular, this |
<li>The security settings are cranked up to a higher level. In particular, this |
might prevent unencrypted submission of passwords (LON-CAPA actually does its |
might prevent unencrypted submission of passwords (LON-CAPA actually does its |
own encryption), or cross-server submission of forms. |
own encryption), or cross-server submission of forms.</li> |
</ul></li> |
</ul></li> |
<li>If all else fails, please <b>try from another computer.</b></li> |
<li>If all else fails, please <b>try from another computer.</b></li> |
</ul> |
</ul> |
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<h2>After logging in, I get the message "Welcome," but then nothing happens |
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</h2> |
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<ul> |
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<li>The most common problem is that your browser is not one of the browsers |
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listed above.</li> |
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<li>If you have a supported browser, it might be hung. |
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<b>Please completely quit |
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your browser, and start it again.</b></li> |
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<li>If all else fails, please <b>try from another computer.</b></li> |
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</ul> |
</body> |
</body> |
</html> |
</html> |