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Technology Requirements


CDLS uses the Agilix Buzz Learning Management System (LMS) that integrates with the Genius Student Information System (SIS) for single sign on (SSO) functionality.  CDLS also uses content from several different content providers.


For optimal performance CDLS recommends using the latest versions of the supported browsers and additional requirements below.

Students are required to have their own unique email address that they can easily access and receive emails from CDLS.

If you need help implementing any of these settings, call our help desk at (720) 458-4154 option 7.


Did you know?


Clearing your browser cache will often solve issues.
You can also try a different browser (see below).


Recommended Browsers

Domain Whitelist & Email

Each student is required to have their own, unique email address that they can easily access.  Students need to be able to receive emails from the domain.  Below are domains/ips that need to be whitelisted.

Check your current settings here:

Scroll down to the Required Settings below to learn about adjusting screen size recommendation of 1024 width minimum and how to enable Cookies if they are not already enabled.

The following domains and IP addresses are used by CDLS. 

Required Settings

  • Cookies: How to enable
    Websites often store cookies and other data as you browse online. This data may include information that you have provided in the past, such as your name, email address, and preferences. This data helps websites identify you when you return to the site, and helps the site remember the user's preferences or registration details for a future visit. Enabling cookies in your browser can help prevent login issues to third party apps that provide course content.

  • Popup Blocker should be turned off to allow students to launch a course from Genius to Buzz.

  • Screen Size Recommendations:  Some devices may require screen adjustments in order to view all content and instructions.  Suggested Screen Size: 7.0′′ or larger used in landscape mode; 1024px minimum width.  Click here to see how to set the display size on a Chromebook or similar device. Check Chrome 3 dot menu for recommended Screen Zoom of 100%.

Word Processing and Ability to Download/Save/share files

  • Students will need need access to word processing software, such as Google Docs or Microsoft Word. 

  • Students may need to download files (pdfs or images) for editing and then be able to upload/attach to an assignment.  Student can use Google Drive to share documents, but instructors must be able to open them (the files must not have restricted sharing).  

​​Mobile/Lightweight devices

Lightweight devices, such as iPads and Chromebooks are compatible with CDLS courses, as long as the browser is setup according to the requirements above, and students have access to Google drive or something similar to save and share files.

Click here to view our iPad Support Guide.

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