You observe agents shown in the Enforce Console in Critical or Warning status and the agent events contain a recent 'Chrome|Edge extension not deployed' event, such as shown below:
There are multiple reasons this could occur:
DLP 15.8 and higher.
If you are experiencing LGPO corruption, work directly with Microsoft to resolve it. See: Detecting Local Group Policy corruption
If you are deploying the browser extensions manually, ensure that you are deploying it in the correct way, and that it is the correct version for your agent. See: DLP Agent Chrome and Edge browser extension management
If you are seeing these alerts as false positives (detection and URL reporting is working) and are running an affected version of 15.8, Broadcom is working to resolve this in a future update.
There are multiple ways to work around this, including: