This page aims to provide an overview of Internal IT managed apps. To open tickets, please raise a ticket via myCriteo (link at the bottom of the page). Get automatic Slack update on apps status by joining the Slack channel #iitappstatus (link at the bottom of the page)
Title: Some users may be unable to access their Exchange Online mailboxes and get POP3 authentication errors User impact: Users may be unable to access their Exchange Online mailboxes and get POP3 authentication errors. More info: Affected users are returned an error message stating, "Authentication failure: unknown user name or bad password" when attempting to access their Exchange Online mailboxes. Current status: We've expanded communications to encompass all users potentially affected by this issue and we've adjusted the "Title", "User impact" and "Scope of impact" sections of our communications to reflect this change. We're analyzing recent changes made to our authentication code flows to isolate potential discrepancies that may point to the underlying root cause and to determine our next troubleshooting steps. Scope of impact: Some users may be unable to access their Exchange Online mailboxes and get POP3 authentication errors and are returned an error message stating, Authentication failure: unknown user name or bad password.” This section may be updated as the investigation progresses. Next update by: Thursday, January 29, 2026, at 1:00 AM UTC
Last update on
Investigating - We are currently investigating reports of performance degradation in the US-East-1 region. Users may encounter delays in Workflows Launcher or executing tasks, such as cancelling aggregations. We are actively working on investigating and will provide updates as more information becomes available. Jan 28, 2026 - 23:50 UTC
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Monitors
Some users may be unable to access their Exchange Online mailboxes and get POP3 authentication errors
Issue to log in with SSO Criteo credentials, use the ClickUp login/password to access the platform.
ClickUp
