Annotation of loncom/html/adm/loginproblems.html, revision 1.2
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2: <head>
3: <title>LON-CAPA Login Problems</title>
4: </head>
5: <body bgcolor="#FFFFFF">
6: <h1>Login Problems with LON-CAPA</h1>
7: <h2>Which browsers can I use with LON-CAPA?</h2>
8: LON-CAPA is designed to work with the following browsers
9: <ul>
10: <li>Mozilla version 1.0 and higher</li>
11: <li>Netscape version 4.7 and higher</li>
12: <li>Internet Explorer version 5.0 and higher</li>
13: </ul>
14: on the following operating systems
15: <ul>
16: <li>Linux</li>
17: <li>UNIX</li>
18: <li>MacOS</li>
19: <li>Windows</li>
20: </ul>
21: If you have problems logging in with any browser or any operating system not
22: listed above, please <b>use another browser or computer.</b>
23: <h2>I get "Username and/or password could not be authenticated"</h2>
24: <ul>
25: <li>
26: The most common problem here is that the Caps-Lock button is pressed. Usernames
27: and passwords are case sensitive, so it does matter if something is typed with
28: lowercase or with uppercase letters.
29: </li><li>
30: The second most common problems is that users accidentally go to the wrong
31: server. LON-CAPA is running at many universities, colleges, and schools.
32: Especially if you hit upon this page by looking for "LON-CAPA" in Google or
33: some other search engine, you might have hit a server at another place. Please
34: make sure to use the URL provided to you.
35: </li></ul>
36: <h2>I get "Login token missing, inaccessible or expired"</h2>
37: This is a very rare problem. If it occurs, please wait for 20 minutes, reload
38: the login page, and try again. If after 20 minutes LON-CAPA still gives you
39: the same message, please email the Server Administrator listed on the login
40: page. The Server Administrator can verify your situation and re-enable logins.
41: <h2>After logging in, I get the message "Welcome," but then nothing happens
42: </h2>
43: <ul>
44: <li>The most common problem is that your browser is not one of the browsers
45: listed above.</li>
46: <li>If you have a supported browser, it might be hung. Please completely quit
47: your browser, and start it again.</li>
1.2 ! www 48: <li>You might have installed a filter against so-called "pop-up ads" (those
1.1 www 49: obnoxious windows that come up into your face trying to sell you something
50: while you are surfing). These filters will prevent LON-CAPA from running
51: properly. Please disable the filter for your school's domain, for example
52: "xyzu.edu."</li>
1.2 ! www 53: <li>You might be getting your internet access from a free service provider
! 54: which adds banner ads to your pages. These ads conflict with LON-CAPA, you
! 55: will need to use another provider.</li>
1.1 www 56: <li>If all else fails, please <b>try from another computer.</b></li>
57: </ul>
58: <h2>I hit "Log In," but nothing happens, or I get error messages and
59: warnings</h2>
60: <ul>
61: <li>The most common problem is that your browser is not one of the browsers
62: listed above.</li>
63: <li>You might have modified the preferences in your browser. In particular, the
64: following preferences can be a problem:
65: <ul>
66: <li>Scripting languages, in particular JavaScript, is disabled.</li>
67: <li>The security settings are cranked up to a higher level. In particular, this
68: might prevent unencrypted submission of passwords (LON-CAPA actually does its
69: own encryption), or cross-server submission of forms.
70: </ul></li>
71: <li>If all else fails, please <b>try from another computer.</b></li>
72: </ul>
73: </body>
74: </html>
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