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Computing > Support >  Library >  Safe Computing > Defenses > Authentication > Kerberos >  

Testing the Kerberos Software Installation

If you are having trouble accessing a Kerberos-controlled service, you can test your Kerberos software installation to verify that everything is working correctly.

Note: Kerberos authentication is not compatible with the Intel Macintosh computers. If you have an Intel Macintosh computer, you will need to rely on PKI certificates or the Web Authentication system for authentication.

If you successfully complete the testing process below and you still can't access the Kerberos-controlled service you need, see Troubleshooting Common Kerberos Problems.

Kerberos Software Testing

  1. Make sure you have cleared any open tickets. If you are running a Windows operating system, you can tell you have an open Kerberos ticket if you see a small floating window on your desktop with your name on it similar to the image below. If you are using a Mac OS X computer, there will be no indication that you have an open ticket. In this instance, you will need to start Kerberos from the Applications\Utilities folder and destroy any tickets that are listed.



    If you see the floating window, click on its Close box to clear the ticket.
  2. Click on the Test Kerberos button below.
    If SideCar is installed correctly, the Sign On dialog box will appear (see below). Enter your Name and Password, and select an appropriate Realm (normally Dartmouth.edu).



  3. Testing Successful: If the test was successful, a Web page containing information similar to the image below will appear:


  4. Testing Unsuccessful: If you do not see a Web page similar to the image above, something went wrong with the test. In most cases, it usually means some part of your current installation is improperly configured or corrupted. This can happen, from time to time, with all software programs. Fortunately, it is easy to fix the problem with a fresh software installation.

    Download the latest version of the Kerberos software for your operating system. Once downloaded, run the installation program and restart your computer. Then, come back to this page and run through the testing steps again.

If the test is unsuccessful the second time through, it's possible there are some configuration problems with your installation. For some of the common configuration problems, see Troubleshooting Common Kerberos Problems. If you still have problems accessing the Kerberos-controlled network services, call the Computing Help Desk at 646-2999 and select from the options provided, send electronic mail to help@dartmouth.edu, or call your department's computing support office.

03/10/08

Last Updated: 3/10/08