cuCollab is deprecated: New cuCollab sites are no longer being created Existing cuCollab sites will remain accessible as long the server remains operational, but no new memberships should be expected to be added. 

Carleton committees and working groups are encouraged to consider the use of Microsoft Teams, which provides a superset of cuCollab capabilities for document sharing, collaboration, and online meetings. The Service Desk can provide consulting on the use of MS Teams, as well as assistance in migrating files from cuCollab to Teams.

Problems logging in – Authentication Failed

If you are having trouble signing in to cuCollab and receive the following message “Authentication Failed. Reason: Cannot login with given credentials”, try each of the steps below in order:

  1. In your address bar in your browser, go directly to and try signing in.
  2. Try step 1 in a different web browser altogether. If that works, try step 3 and then step 1 your default browser again.
  3. Try clearing your cache and browser data in your original web browser.
  4. If none of the above work, visit to test your MyCarletonOne (MC1) account. If you cannot log in there, there is something wrong with your user name and password and you will need to contact the CCS Service Desk.