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FULLY OPERATIONAL   

OPERATING STATUS

FULLY OPERATIONAL  

  1. Defense Acquisition University
  2. Frequently Asked Questions
Addressing DAU.edu Security Certificate Issues

  1. Please choose the certificate icon below to download the Entrust Root Certification Authority - G2 (Government) certificate:

        Click Here to Download the Certificate 


  2. Open the certificate that you have just downloaded. Its filename will be labeled as: entrust_g2_ca.cer. If prompted with a Security Warning asking if you are sure you want to open the file, please proceed to Open it.

    Image depicting the selection of the Open button from the Open File Security Warning window 


  3. From the Certificate window that appears, select Install Certificate to open the installation wizard; select Next to continue.

    Image depicting the selection of the Install Certificate button


  4. When prompted to select the certificate store/location to install to, please choose the option to Place all certificates in the following store and then choose the Browse button.

    Image depicting the selection of a radio button to place all certificates in the following store followed by the selection of the Browse button 


  5. A list of certificate stores, represented by folders, will appear. Please select the folder labeled, Trusted Root Certification Authorities and select OK..

    Image depicting the selection of the Trust Root folder 


  6. Click on Next and the Finish to complete the installation. A confirmation window should appear indicating that the import was successful; click OK. You may then select OKto close the Certificate Information window. 


  7. Now that the Root certificate has been installed, you will need to install the Intermediate certificate that's used to validate the identity of our website. Please choose the certificate icon below to download the Entrust Certification Authority - L1K certificate:

        Click Here to Download the Certificate 


  8. Open the certificate that you have just downloaded. Its filename will be labeled as: entrust_l1k.cer. If prompted with a Security Warning asking if you are sure you want to open the file, please proceed to Open it.

    Image depicting the selection of the Open button from the Open File Security Warning window 


  9. From the Certificate window that appears, select Install Certificate to open the installation wizard; select Next to continue.

    Image depicting the selection of the Install Certificate button 


  10. When prompted to select the certificate store/location to install to, please choose the option to Place all certificates in the following store and then choose the Browse button.

    Image depicting the selection of a radio button to place all certificates in the following store followed by the selection of the Browse button 


  11. A list of certificate stores, represented by folders, will appear. This time, please select the folder labeled, Intermediate Certification Authorities and select OK..

    Image depicting the selection of the Intermediate folder 


  12. Click on Next and the Finish to complete the installation. A confirmation window should appear indicating that the import was successful; click OK. You may then select OK to close the Certificate Information window. 


  13. Now that the required certificates have been installed to your computer, please close your Internet browser completely, ensuring that no websites remain open in the background. 


  14. Click on your Windows Startmenu and type "Internet Options" in the search bar; press ENTER on your keyboard. Windows 10 users may type the same text in their Cortana ("Ask me anything") field on the Taskbar.

    Image depicting the search for Interet Options from the Windows 7 Start menu 


  15. Click on the Content tab at the top of the Internet Options dialog. 


  16. Click on Clear SSL State and then select OK on the confirmation window.

    Image depicting the selection of the selection of the Clear SSL State button from the Internet Options Content tab 


  17. You may now click OK at the bottom of the Internet Options dialog to close this window. 


  18. Please open your Internet browser and test the DAU website: https://www.dau.edu/. 


RELATED FAQs:


Q: I'm having trouble completing all of the steps, what can I do?
A: If you are using a work-issued computer, many settings and capabilities may be restricted. In such cases, you should contact your local IT support and request assistance in completing the steps.
Q: I have completed the steps above. I'm able to get a little further now, but I still encounter a similar error after completing the login process. Did I not install the certificates correctly?
A: The instructions above only pertain to systems hosted on the dau.edu domain.  If you are attempting to access an app, such as the DAU Transcript or Industry Training Application System (TAS), please click here to obtain certificate guidance for .mil resources.
Q: I still encounter a similar error when I attempt to access online training, what should I do next?
A: Since our Virtual Campus application is now a SaaS cloud-based solution, it is on a separate domain that has its own certifying party.  Please click here for the appropriate set of instructions for dau.csod.com (the new DAU Virtual Campus).
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