Kaseya incident
Datto EDR - Issues Accessing Certain Applications Following Recent EDR Update
Resolved after 14 days 5 hours, on June 17, 2026.
We’re pleased to inform you that our Engineering team has released a Hotfix for the Datto AMSI module remaining on devices: UI 15272 Agent #3.17.1.5552 Fixes: This release addresses an issue where the Datto AMSI provider remained actively registered on a device after having the AMSI module disabled. The AMSI module remains disabled globally and will be reintroduced through a controlled rollout. This change does not disable overall EDR protection. It is a temporary mitigation specific to the AMSI module. This page provides information to assist with determining the agent version on a device: https://edr.datto.com/help/Content/troubleshooting/confirming-ui-version.htm
Update timeline
- investigating Jun 17, 2026, 03:27 PM UTC
We are aware that some customers are continuing to experience difficulty accessing certain applications, including Microsoft Teams, following a recent Datto EDR update. We are actively investigating and treating this as a priority. What we currently know: A recent Datto EDR update enabled additional behavioral monitoring on affected endpoints. We have identified this change as a contributing factor to the issue and are working on a resolution. What you can do right now: A reboot of the affected endpoint may resolve the issue in some cases. Our team is also working on a scripted remediation and a hotfix — we will update this page as those become available. What we are doing: Our engineering team is actively working on a fix. Subscribe to updates at status.kaseya.com to be notified as our investigation progresses.
- identified Jun 18, 2026, 07:39 PM UTC
If you are still experiencing issues after rebooting, please contact Kaseya Support to receive a script that can be run on affected endpoints to resolve the issue. A hotfix agent update is in progress and will be released shortly. We will update this page once it is available.
- monitoring Jun 19, 2026, 12:33 AM UTC
We’re pleased to inform you that our Engineering team has released a Hotfix for the Datto AMSI module remaining on devices: UI 15272 Agent #3.17.1.5552 Fixes: This release addresses an issue where the Datto AMSI provider remained actively registered on a device after having the AMSI module disabled. The AMSI module remains disabled globally and will be reintroduced through a controlled rollout. This change does not disable overall EDR protection. It is a temporary mitigation specific to the AMSI module. This page provides information to assist with determining the agent version on a device: https://edr.datto.com/help/Content/troubleshooting/confirming-ui-version.htm
- resolved Jul 01, 2026, 08:46 PM UTC
This incident has been resolved.
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